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Finding the Fourth Proportional to 532,407.60, 798,611.40 and 343,450.80

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Solution

The fourth proportional to 532,407.60, 798,611.40 and 343,450.80 is: 515,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,407.60 : 798,611.40 = 343,450.80 : x
  2. Step 2: Convert to fraction form
    532,407.60/798,611.40 = 343,450.80/x
  3. Step 3: Cross multiply
    532,407.60x = 798,611.40 × 343,450.80
  4. Step 4: Simplify right side
    532,407.60x = 274,283,724,219.12
  5. Step 5: Solve for x
    x = 274,283,724,219.12/532,407.60
  6. Step 6: Final answer
    x = 515,176.20

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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.