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Finding the Fourth Proportional to 532,308.40, 798,462.60 and 343,351.60

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Solution

The fourth proportional to 532,308.40, 798,462.60 and 343,351.60 is: 515,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,308.40 : 798,462.60 = 343,351.60 : x
  2. Step 2: Convert to fraction form
    532,308.40/798,462.60 = 343,351.60/x
  3. Step 3: Cross multiply
    532,308.40x = 798,462.60 × 343,351.60
  4. Step 4: Simplify right side
    532,308.40x = 274,153,411,250.16
  5. Step 5: Solve for x
    x = 274,153,411,250.16/532,308.40
  6. Step 6: Final answer
    x = 515,027.40

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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.