Home / 723,681.72-1,085,491.17-243,877.80

Finding the Fourth Proportional to 723,681.72, 1,085,491.17 and 243,877.80

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Solution

The fourth proportional to 723,681.72, 1,085,491.17 and 243,877.80 is: 365,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,681.72 : 1,085,491.17 = 243,877.80 : x
  2. Step 2: Convert to fraction form
    723,681.72/1,085,491.17 = 243,877.80/x
  3. Step 3: Cross multiply
    723,681.72x = 1,085,491.17 × 243,877.80
  4. Step 4: Simplify right side
    723,681.72x = 264,727,198,459.03
  5. Step 5: Solve for x
    x = 264,727,198,459.03/723,681.72
  6. Step 6: Final answer
    x = 365,806.11

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Double scale
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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.