Home / 488,733.20-732,869.68-189,353.96

Finding the Fourth Proportional to 488,733.20, 732,869.68 and 189,353.96

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Solution

The fourth proportional to 488,733.20, 732,869.68 and 189,353.96 is: 283,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,733.20 : 732,869.68 = 189,353.96 : x
  2. Step 2: Convert to fraction form
    488,733.20/732,869.68 = 189,353.96/x
  3. Step 3: Cross multiply
    488,733.20x = 732,869.68 × 189,353.96
  4. Step 4: Simplify right side
    488,733.20x = 138,771,776,071.93
  5. Step 5: Solve for x
    x = 138,771,776,071.93/488,733.20
  6. Step 6: Final answer
    x = 283,941.78

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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.