Home / 749,366.97-1,123,600.28-344,051.97

Finding the Fourth Proportional to 749,366.97, 1,123,600.28 and 344,051.97

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Solution

The fourth proportional to 749,366.97, 1,123,600.28 and 344,051.97 is: 515,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,366.97 : 1,123,600.28 = 344,051.97 : x
  2. Step 2: Convert to fraction form
    749,366.97/1,123,600.28 = 344,051.97/x
  3. Step 3: Cross multiply
    749,366.97x = 1,123,600.28 × 344,051.97
  4. Step 4: Simplify right side
    749,366.97x = 386,576,888,106.29
  5. Step 5: Solve for x
    x = 386,576,888,106.29/749,366.97
  6. Step 6: Final answer
    x = 515,871.27

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.