Home / 809,967.60-1,214,950.68-249,001.20

Finding the Fourth Proportional to 809,967.60, 1,214,950.68 and 249,001.20

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Solution

The fourth proportional to 809,967.60, 1,214,950.68 and 249,001.20 is: 373,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,967.60 : 1,214,950.68 = 249,001.20 : x
  2. Step 2: Convert to fraction form
    809,967.60/1,214,950.68 = 249,001.20/x
  3. Step 3: Cross multiply
    809,967.60x = 1,214,950.68 × 249,001.20
  4. Step 4: Simplify right side
    809,967.60x = 302,524,177,260.82
  5. Step 5: Solve for x
    x = 302,524,177,260.82/809,967.60
  6. Step 6: Final answer
    x = 373,501.58

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Half scale
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Double scale
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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.