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Finding the Fourth Proportional to 500,240.62, 690,730.14 and 461,986.12

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Solution

The fourth proportional to 500,240.62, 690,730.14 and 461,986.12 is: 637,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,240.62 : 690,730.14 = 461,986.12 : x
  2. Step 2: Convert to fraction form
    500,240.62/690,730.14 = 461,986.12/x
  3. Step 3: Cross multiply
    500,240.62x = 690,730.14 × 461,986.12
  4. Step 4: Simplify right side
    500,240.62x = 319,107,737,345.66
  5. Step 5: Solve for x
    x = 319,107,737,345.66/500,240.62
  6. Step 6: Final answer
    x = 637,908.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.