Home / 488,551.30-732,899.85-172,983.40

Finding the Fourth Proportional to 488,551.30, 732,899.85 and 172,983.40

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Solution

The fourth proportional to 488,551.30, 732,899.85 and 172,983.40 is: 259,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,551.30 : 732,899.85 = 172,983.40 : x
  2. Step 2: Convert to fraction form
    488,551.30/732,899.85 = 172,983.40/x
  3. Step 3: Cross multiply
    488,551.30x = 732,899.85 × 172,983.40
  4. Step 4: Simplify right side
    488,551.30x = 126,779,507,912.49
  5. Step 5: Solve for x
    x = 126,779,507,912.49/488,551.30
  6. Step 6: Final answer
    x = 259,500.91

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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.