Home / 915,618.52-1,263,568.68-507,737.56

Finding the Fourth Proportional to 915,618.52, 1,263,568.68 and 507,737.56

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Solution

The fourth proportional to 915,618.52, 1,263,568.68 and 507,737.56 is: 700,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,618.52 : 1,263,568.68 = 507,737.56 : x
  2. Step 2: Convert to fraction form
    915,618.52/1,263,568.68 = 507,737.56/x
  3. Step 3: Cross multiply
    915,618.52x = 1,263,568.68 × 507,737.56
  4. Step 4: Simplify right side
    915,618.52x = 641,561,278,475.62
  5. Step 5: Solve for x
    x = 641,561,278,475.62/915,618.52
  6. Step 6: Final answer
    x = 700,686.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.