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Finding the Fourth Proportional to 497,789.30, 746,682.51 and 123,812.30

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Solution

The fourth proportional to 497,789.30, 746,682.51 and 123,812.30 is: 185,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,789.30 : 746,682.51 = 123,812.30 : x
  2. Step 2: Convert to fraction form
    497,789.30/746,682.51 = 123,812.30/x
  3. Step 3: Cross multiply
    497,789.30x = 746,682.51 × 123,812.30
  4. Step 4: Simplify right side
    497,789.30x = 92,448,478,932.87
  5. Step 5: Solve for x
    x = 92,448,478,932.87/497,789.30
  6. Step 6: Final answer
    x = 185,718.09

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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.