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Finding the Fourth Proportional to 532,269.90, 798,404.85 and 343,313.10

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Solution

The fourth proportional to 532,269.90, 798,404.85 and 343,313.10 is: 514,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,269.90 : 798,404.85 = 343,313.10 : x
  2. Step 2: Convert to fraction form
    532,269.90/798,404.85 = 343,313.10/x
  3. Step 3: Cross multiply
    532,269.90x = 798,404.85 × 343,313.10
  4. Step 4: Simplify right side
    532,269.90x = 274,102,844,108.54
  5. Step 5: Solve for x
    x = 274,102,844,108.54/532,269.90
  6. Step 6: Final answer
    x = 514,969.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.