Home / 746,654.88-1,030,384.77-407,123.13

Finding the Fourth Proportional to 746,654.88, 1,030,384.77 and 407,123.13

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Solution

The fourth proportional to 746,654.88, 1,030,384.77 and 407,123.13 is: 561,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,654.88 : 1,030,384.77 = 407,123.13 : x
  2. Step 2: Convert to fraction form
    746,654.88/1,030,384.77 = 407,123.13/x
  3. Step 3: Cross multiply
    746,654.88x = 1,030,384.77 × 407,123.13
  4. Step 4: Simplify right side
    746,654.88x = 419,493,472,666.73
  5. Step 5: Solve for x
    x = 419,493,472,666.73/746,654.88
  6. Step 6: Final answer
    x = 561,830.48

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Double scale
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Similar ratio
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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.