Home / 545,169.27-752,316.86-303,445.63

Finding the Fourth Proportional to 545,169.27, 752,316.86 and 303,445.63

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Solution

The fourth proportional to 545,169.27, 752,316.86 and 303,445.63 is: 418,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,169.27 : 752,316.86 = 303,445.63 : x
  2. Step 2: Convert to fraction form
    545,169.27/752,316.86 = 303,445.63/x
  3. Step 3: Cross multiply
    545,169.27x = 752,316.86 × 303,445.63
  4. Step 4: Simplify right side
    545,169.27x = 228,287,260,144.30
  5. Step 5: Solve for x
    x = 228,287,260,144.30/545,169.27
  6. Step 6: Final answer
    x = 418,745.65

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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.