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Finding the Fourth Proportional to 637,287.40, 955,931.10 and 535,810.60

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Solution

The fourth proportional to 637,287.40, 955,931.10 and 535,810.60 is: 803,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,287.40 : 955,931.10 = 535,810.60 : x
  2. Step 2: Convert to fraction form
    637,287.40/955,931.10 = 535,810.60/x
  3. Step 3: Cross multiply
    637,287.40x = 955,931.10 × 535,810.60
  4. Step 4: Simplify right side
    637,287.40x = 512,198,016,249.66
  5. Step 5: Solve for x
    x = 512,198,016,249.66/637,287.40
  6. Step 6: Final answer
    x = 803,715.90

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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.