Home / 488,100.60-673,559.15-284,157.38

Finding the Fourth Proportional to 488,100.60, 673,559.15 and 284,157.38

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Solution

The fourth proportional to 488,100.60, 673,559.15 and 284,157.38 is: 392,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,100.60 : 673,559.15 = 284,157.38 : x
  2. Step 2: Convert to fraction form
    488,100.60/673,559.15 = 284,157.38/x
  3. Step 3: Cross multiply
    488,100.60x = 673,559.15 × 284,157.38
  4. Step 4: Simplify right side
    488,100.60x = 191,396,803,602.14
  5. Step 5: Solve for x
    x = 191,396,803,602.14/488,100.60
  6. Step 6: Final answer
    x = 392,125.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.