Home / 729,695.20-1,095,417.60-410,101.60

Finding the Fourth Proportional to 729,695.20, 1,095,417.60 and 410,101.60

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Solution

The fourth proportional to 729,695.20, 1,095,417.60 and 410,101.60 is: 615,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,695.20 : 1,095,417.60 = 410,101.60 : x
  2. Step 2: Convert to fraction form
    729,695.20/1,095,417.60 = 410,101.60/x
  3. Step 3: Cross multiply
    729,695.20x = 1,095,417.60 × 410,101.60
  4. Step 4: Simplify right side
    729,695.20x = 449,232,510,428.16
  5. Step 5: Solve for x
    x = 449,232,510,428.16/729,695.20
  6. Step 6: Final answer
    x = 615,644.05

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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.