Home / 717,738.40-1,078,940.40-615,095.20

Finding the Fourth Proportional to 717,738.40, 1,078,940.40 and 615,095.20

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Solution

The fourth proportional to 717,738.40, 1,078,940.40 and 615,095.20 is: 924,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,738.40 : 1,078,940.40 = 615,095.20 : x
  2. Step 2: Convert to fraction form
    717,738.40/1,078,940.40 = 615,095.20/x
  3. Step 3: Cross multiply
    717,738.40x = 1,078,940.40 × 615,095.20
  4. Step 4: Simplify right side
    717,738.40x = 663,651,061,126.08
  5. Step 5: Solve for x
    x = 663,651,061,126.08/717,738.40
  6. Step 6: Final answer
    x = 924,641.99

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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.