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Finding the Fourth Proportional to 647,500.20, 971,250.30 and 362,898.60

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Solution

The fourth proportional to 647,500.20, 971,250.30 and 362,898.60 is: 544,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,500.20 : 971,250.30 = 362,898.60 : x
  2. Step 2: Convert to fraction form
    647,500.20/971,250.30 = 362,898.60/x
  3. Step 3: Cross multiply
    647,500.20x = 971,250.30 × 362,898.60
  4. Step 4: Simplify right side
    647,500.20x = 352,465,374,119.58
  5. Step 5: Solve for x
    x = 352,465,374,119.58/647,500.20
  6. Step 6: Final answer
    x = 544,347.90

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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.