Home / 701,366.40-1,051,531.20-386,179.20

Finding the Fourth Proportional to 701,366.40, 1,051,531.20 and 386,179.20

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Solution

The fourth proportional to 701,366.40, 1,051,531.20 and 386,179.20 is: 578,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,366.40 : 1,051,531.20 = 386,179.20 : x
  2. Step 2: Convert to fraction form
    701,366.40/1,051,531.20 = 386,179.20/x
  3. Step 3: Cross multiply
    701,366.40x = 1,051,531.20 × 386,179.20
  4. Step 4: Simplify right side
    701,366.40x = 406,079,477,591.04
  5. Step 5: Solve for x
    x = 406,079,477,591.04/701,366.40
  6. Step 6: Final answer
    x = 578,983.36

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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.