Home / 672,587.20-928,142.08-366,656.96

Finding the Fourth Proportional to 672,587.20, 928,142.08 and 366,656.96

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Solution

The fourth proportional to 672,587.20, 928,142.08 and 366,656.96 is: 505,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,587.20 : 928,142.08 = 366,656.96 : x
  2. Step 2: Convert to fraction form
    672,587.20/928,142.08 = 366,656.96/x
  3. Step 3: Cross multiply
    672,587.20x = 928,142.08 × 366,656.96
  4. Step 4: Simplify right side
    672,587.20x = 340,309,753,500.88
  5. Step 5: Solve for x
    x = 340,309,753,500.88/672,587.20
  6. Step 6: Final answer
    x = 505,971.20

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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.