Home / 672,741.90-928,378.80-366,823.53

Finding the Fourth Proportional to 672,741.90, 928,378.80 and 366,823.53

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Solution

The fourth proportional to 672,741.90, 928,378.80 and 366,823.53 is: 506,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,741.90 : 928,378.80 = 366,823.53 : x
  2. Step 2: Convert to fraction form
    672,741.90/928,378.80 = 366,823.53/x
  3. Step 3: Cross multiply
    672,741.90x = 928,378.80 × 366,823.53
  4. Step 4: Simplify right side
    672,741.90x = 340,551,188,593.16
  5. Step 5: Solve for x
    x = 340,551,188,593.16/672,741.90
  6. Step 6: Final answer
    x = 506,213.73

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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.