Home / 575,177.32-861,435.42-555,247.72

Finding the Fourth Proportional to 575,177.32, 861,435.42 and 555,247.72

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Solution

The fourth proportional to 575,177.32, 861,435.42 and 555,247.72 is: 831,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,177.32 : 861,435.42 = 555,247.72 : x
  2. Step 2: Convert to fraction form
    575,177.32/861,435.42 = 555,247.72/x
  3. Step 3: Cross multiply
    575,177.32x = 861,435.42 × 555,247.72
  4. Step 4: Simplify right side
    575,177.32x = 478,310,052,882.24
  5. Step 5: Solve for x
    x = 478,310,052,882.24/575,177.32
  6. Step 6: Final answer
    x = 831,587.12

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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.