Home / 724,818.60-1,087,227.90-717,820.20

Finding the Fourth Proportional to 724,818.60, 1,087,227.90 and 717,820.20

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Solution

The fourth proportional to 724,818.60, 1,087,227.90 and 717,820.20 is: 1,076,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,818.60 : 1,087,227.90 = 717,820.20 : x
  2. Step 2: Convert to fraction form
    724,818.60/1,087,227.90 = 717,820.20/x
  3. Step 3: Cross multiply
    724,818.60x = 1,087,227.90 × 717,820.20
  4. Step 4: Simplify right side
    724,818.60x = 780,434,148,623.58
  5. Step 5: Solve for x
    x = 780,434,148,623.58/724,818.60
  6. Step 6: Final answer
    x = 1,076,730.30

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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.