Home / 747,293.32-1,121,537.76-392,516.56

Finding the Fourth Proportional to 747,293.32, 1,121,537.76 and 392,516.56

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Solution

The fourth proportional to 747,293.32, 1,121,537.76 and 392,516.56 is: 589,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,293.32 : 1,121,537.76 = 392,516.56 : x
  2. Step 2: Convert to fraction form
    747,293.32/1,121,537.76 = 392,516.56/x
  3. Step 3: Cross multiply
    747,293.32x = 1,121,537.76 × 392,516.56
  4. Step 4: Simplify right side
    747,293.32x = 440,222,143,465.31
  5. Step 5: Solve for x
    x = 440,222,143,465.31/747,293.32
  6. Step 6: Final answer
    x = 589,088.82

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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.