Home / 651,785.92-977,679.72-178,475.40

Finding the Fourth Proportional to 651,785.92, 977,679.72 and 178,475.40

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Solution

The fourth proportional to 651,785.92, 977,679.72 and 178,475.40 is: 267,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,785.92 : 977,679.72 = 178,475.40 : x
  2. Step 2: Convert to fraction form
    651,785.92/977,679.72 = 178,475.40/x
  3. Step 3: Cross multiply
    651,785.92x = 977,679.72 × 178,475.40
  4. Step 4: Simplify right side
    651,785.92x = 174,491,779,098.89
  5. Step 5: Solve for x
    x = 174,491,779,098.89/651,785.92
  6. Step 6: Final answer
    x = 267,713.33

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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.