Home / 539,832.20-745,466.10-361,502.60

Finding the Fourth Proportional to 539,832.20, 745,466.10 and 361,502.60

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Solution

The fourth proportional to 539,832.20, 745,466.10 and 361,502.60 is: 499,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,832.20 : 745,466.10 = 361,502.60 : x
  2. Step 2: Convert to fraction form
    539,832.20/745,466.10 = 361,502.60/x
  3. Step 3: Cross multiply
    539,832.20x = 745,466.10 × 361,502.60
  4. Step 4: Simplify right side
    539,832.20x = 269,487,933,361.86
  5. Step 5: Solve for x
    x = 269,487,933,361.86/539,832.20
  6. Step 6: Final answer
    x = 499,206.85

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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.