Home / 915,447.17-1,373,399.04-646,101.41

Finding the Fourth Proportional to 915,447.17, 1,373,399.04 and 646,101.41

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Solution

The fourth proportional to 915,447.17, 1,373,399.04 and 646,101.41 is: 969,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,447.17 : 1,373,399.04 = 646,101.41 : x
  2. Step 2: Convert to fraction form
    915,447.17/1,373,399.04 = 646,101.41/x
  3. Step 3: Cross multiply
    915,447.17x = 1,373,399.04 × 646,101.41
  4. Step 4: Simplify right side
    915,447.17x = 887,355,059,517.90
  5. Step 5: Solve for x
    x = 887,355,059,517.90/915,447.17
  6. Step 6: Final answer
    x = 969,313.24

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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.