Home / 813,146.27-1,218,707.30-524,195.96

Finding the Fourth Proportional to 813,146.27, 1,218,707.30 and 524,195.96

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Solution

The fourth proportional to 813,146.27, 1,218,707.30 and 524,195.96 is: 785,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,146.27 : 1,218,707.30 = 524,195.96 : x
  2. Step 2: Convert to fraction form
    813,146.27/1,218,707.30 = 524,195.96/x
  3. Step 3: Cross multiply
    813,146.27x = 1,218,707.30 × 524,195.96
  4. Step 4: Simplify right side
    813,146.27x = 638,841,438,299.46
  5. Step 5: Solve for x
    x = 638,841,438,299.46/813,146.27
  6. Step 6: Final answer
    x = 785,641.48

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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.