Home / 739,200.60-1,108,800.90-384,906.60

Finding the Fourth Proportional to 739,200.60, 1,108,800.90 and 384,906.60

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Solution

The fourth proportional to 739,200.60, 1,108,800.90 and 384,906.60 is: 577,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,200.60 : 1,108,800.90 = 384,906.60 : x
  2. Step 2: Convert to fraction form
    739,200.60/1,108,800.90 = 384,906.60/x
  3. Step 3: Cross multiply
    739,200.60x = 1,108,800.90 × 384,906.60
  4. Step 4: Simplify right side
    739,200.60x = 426,784,784,495.94
  5. Step 5: Solve for x
    x = 426,784,784,495.94/739,200.60
  6. Step 6: Final answer
    x = 577,359.90

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Double scale
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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.