Home / 749,257.40-1,123,886.10-655,945.40

Finding the Fourth Proportional to 749,257.40, 1,123,886.10 and 655,945.40

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Solution

The fourth proportional to 749,257.40, 1,123,886.10 and 655,945.40 is: 983,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,257.40 : 1,123,886.10 = 655,945.40 : x
  2. Step 2: Convert to fraction form
    749,257.40/1,123,886.10 = 655,945.40/x
  3. Step 3: Cross multiply
    749,257.40x = 1,123,886.10 × 655,945.40
  4. Step 4: Simplify right side
    749,257.40x = 737,207,917,418.94
  5. Step 5: Solve for x
    x = 737,207,917,418.94/749,257.40
  6. Step 6: Final answer
    x = 983,918.10

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Similar ratio
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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.