Home / 781,296.38-1,172,061.56-282,777.02

Finding the Fourth Proportional to 781,296.38, 1,172,061.56 and 282,777.02

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Solution

The fourth proportional to 781,296.38, 1,172,061.56 and 282,777.02 is: 424,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,296.38 : 1,172,061.56 = 282,777.02 : x
  2. Step 2: Convert to fraction form
    781,296.38/1,172,061.56 = 282,777.02/x
  3. Step 3: Cross multiply
    781,296.38x = 1,172,061.56 × 282,777.02
  4. Step 4: Simplify right side
    781,296.38x = 331,432,075,193.35
  5. Step 5: Solve for x
    x = 331,432,075,193.35/781,296.38
  6. Step 6: Final answer
    x = 424,207.87

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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.