Home / 717,724.40-1,078,919.40-615,081.20

Finding the Fourth Proportional to 717,724.40, 1,078,919.40 and 615,081.20

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Solution

The fourth proportional to 717,724.40, 1,078,919.40 and 615,081.20 is: 924,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,724.40 : 1,078,919.40 = 615,081.20 : x
  2. Step 2: Convert to fraction form
    717,724.40/1,078,919.40 = 615,081.20/x
  3. Step 3: Cross multiply
    717,724.40x = 1,078,919.40 × 615,081.20
  4. Step 4: Simplify right side
    717,724.40x = 663,623,039,255.28
  5. Step 5: Solve for x
    x = 663,623,039,255.28/717,724.40
  6. Step 6: Final answer
    x = 924,620.98

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1.5x scale

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.