Home / 746,008.47-1,029,491.84-406,476.72

Finding the Fourth Proportional to 746,008.47, 1,029,491.84 and 406,476.72

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Solution

The fourth proportional to 746,008.47, 1,029,491.84 and 406,476.72 is: 560,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,008.47 : 1,029,491.84 = 406,476.72 : x
  2. Step 2: Convert to fraction form
    746,008.47/1,029,491.84 = 406,476.72/x
  3. Step 3: Cross multiply
    746,008.47x = 1,029,491.84 × 406,476.72
  4. Step 4: Simplify right side
    746,008.47x = 418,464,466,389.97
  5. Step 5: Solve for x
    x = 418,464,466,389.97/746,008.47
  6. Step 6: Final answer
    x = 560,937.96

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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.