Home / 781,719.60-1,172,579.40-466,532.40

Finding the Fourth Proportional to 781,719.60, 1,172,579.40 and 466,532.40

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Solution

The fourth proportional to 781,719.60, 1,172,579.40 and 466,532.40 is: 699,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,719.60 : 1,172,579.40 = 466,532.40 : x
  2. Step 2: Convert to fraction form
    781,719.60/1,172,579.40 = 466,532.40/x
  3. Step 3: Cross multiply
    781,719.60x = 1,172,579.40 × 466,532.40
  4. Step 4: Simplify right side
    781,719.60x = 547,046,281,672.56
  5. Step 5: Solve for x
    x = 547,046,281,672.56/781,719.60
  6. Step 6: Final answer
    x = 699,798.60

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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.