Home / 717,736.40-1,078,937.40-615,093.20

Finding the Fourth Proportional to 717,736.40, 1,078,937.40 and 615,093.20

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Solution

The fourth proportional to 717,736.40, 1,078,937.40 and 615,093.20 is: 924,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,736.40 : 1,078,937.40 = 615,093.20 : x
  2. Step 2: Convert to fraction form
    717,736.40/1,078,937.40 = 615,093.20/x
  3. Step 3: Cross multiply
    717,736.40x = 1,078,937.40 × 615,093.20
  4. Step 4: Simplify right side
    717,736.40x = 663,647,057,965.68
  5. Step 5: Solve for x
    x = 663,647,057,965.68/717,736.40
  6. Step 6: Final answer
    x = 924,638.99

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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.