Home / 723,706.90-1,085,283.17-243,805.74

Finding the Fourth Proportional to 723,706.90, 1,085,283.17 and 243,805.74

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Solution

The fourth proportional to 723,706.90, 1,085,283.17 and 243,805.74 is: 365,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,706.90 : 1,085,283.17 = 243,805.74 : x
  2. Step 2: Convert to fraction form
    723,706.90/1,085,283.17 = 243,805.74/x
  3. Step 3: Cross multiply
    723,706.90x = 1,085,283.17 × 243,805.74
  4. Step 4: Simplify right side
    723,706.90x = 264,598,265,152.37
  5. Step 5: Solve for x
    x = 264,598,265,152.37/723,706.90
  6. Step 6: Final answer
    x = 365,615.23

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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.