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Finding the Fourth Proportional to 488,309.60, 732,464.40 and 172,798.40

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Solution

The fourth proportional to 488,309.60, 732,464.40 and 172,798.40 is: 259,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,309.60 : 732,464.40 = 172,798.40 : x
  2. Step 2: Convert to fraction form
    488,309.60/732,464.40 = 172,798.40/x
  3. Step 3: Cross multiply
    488,309.60x = 732,464.40 × 172,798.40
  4. Step 4: Simplify right side
    488,309.60x = 126,568,676,376.96
  5. Step 5: Solve for x
    x = 126,568,676,376.96/488,309.60
  6. Step 6: Final answer
    x = 259,197.60

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1.5x scale

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.