Home / 763,789.38-1,145,290.41-524,269.14

Finding the Fourth Proportional to 763,789.38, 1,145,290.41 and 524,269.14

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Solution

The fourth proportional to 763,789.38, 1,145,290.41 and 524,269.14 is: 786,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,789.38 : 1,145,290.41 = 524,269.14 : x
  2. Step 2: Convert to fraction form
    763,789.38/1,145,290.41 = 524,269.14/x
  3. Step 3: Cross multiply
    763,789.38x = 1,145,290.41 × 524,269.14
  4. Step 4: Simplify right side
    763,789.38x = 600,440,418,300.95
  5. Step 5: Solve for x
    x = 600,440,418,300.95/763,789.38
  6. Step 6: Final answer
    x = 786,133.50

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Double scale
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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.