Home / 712,197.60-1,068,901.20-291,775.20

Finding the Fourth Proportional to 712,197.60, 1,068,901.20 and 291,775.20

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Solution

The fourth proportional to 712,197.60, 1,068,901.20 and 291,775.20 is: 437,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,197.60 : 1,068,901.20 = 291,775.20 : x
  2. Step 2: Convert to fraction form
    712,197.60/1,068,901.20 = 291,775.20/x
  3. Step 3: Cross multiply
    712,197.60x = 1,068,901.20 × 291,775.20
  4. Step 4: Simplify right side
    712,197.60x = 311,878,861,410.24
  5. Step 5: Solve for x
    x = 311,878,861,410.24/712,197.60
  6. Step 6: Final answer
    x = 437,910.58

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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.