Home / 672,742.90-928,380.18-366,824.53

Finding the Fourth Proportional to 672,742.90, 928,380.18 and 366,824.53

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Solution

The fourth proportional to 672,742.90, 928,380.18 and 366,824.53 is: 506,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,742.90 : 928,380.18 = 366,824.53 : x
  2. Step 2: Convert to fraction form
    672,742.90/928,380.18 = 366,824.53/x
  3. Step 3: Cross multiply
    672,742.90x = 928,380.18 × 366,824.53
  4. Step 4: Simplify right side
    672,742.90x = 340,552,623,189.82
  5. Step 5: Solve for x
    x = 340,552,623,189.82/672,742.90
  6. Step 6: Final answer
    x = 506,215.11

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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.