Home / 723,185.76-1,084,839.12-249,679.20

Finding the Fourth Proportional to 723,185.76, 1,084,839.12 and 249,679.20

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Solution

The fourth proportional to 723,185.76, 1,084,839.12 and 249,679.20 is: 374,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,185.76 : 1,084,839.12 = 249,679.20 : x
  2. Step 2: Convert to fraction form
    723,185.76/1,084,839.12 = 249,679.20/x
  3. Step 3: Cross multiply
    723,185.76x = 1,084,839.12 × 249,679.20
  4. Step 4: Simplify right side
    723,185.76x = 270,861,763,610.30
  5. Step 5: Solve for x
    x = 270,861,763,610.30/723,185.76
  6. Step 6: Final answer
    x = 374,539.68

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Half scale
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Double scale
Find fourth proportional to 723,186.76, 1,084,840.62 and 249,680.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.