Home / 698,538.13-1,047,061.18-398,372.38

Finding the Fourth Proportional to 698,538.13, 1,047,061.18 and 398,372.38

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Solution

The fourth proportional to 698,538.13, 1,047,061.18 and 398,372.38 is: 597,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,538.13 : 1,047,061.18 = 398,372.38 : x
  2. Step 2: Convert to fraction form
    698,538.13/1,047,061.18 = 398,372.38/x
  3. Step 3: Cross multiply
    698,538.13x = 1,047,061.18 × 398,372.38
  4. Step 4: Simplify right side
    698,538.13x = 417,120,252,162.52
  5. Step 5: Solve for x
    x = 417,120,252,162.52/698,538.13
  6. Step 6: Final answer
    x = 597,133.12

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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.