Home / 719,157.20-1,079,513.40-404,229.20

Finding the Fourth Proportional to 719,157.20, 1,079,513.40 and 404,229.20

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Solution

The fourth proportional to 719,157.20, 1,079,513.40 and 404,229.20 is: 606,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,157.20 : 1,079,513.40 = 404,229.20 : x
  2. Step 2: Convert to fraction form
    719,157.20/1,079,513.40 = 404,229.20/x
  3. Step 3: Cross multiply
    719,157.20x = 1,079,513.40 × 404,229.20
  4. Step 4: Simplify right side
    719,157.20x = 436,370,838,071.28
  5. Step 5: Solve for x
    x = 436,370,838,071.28/719,157.20
  6. Step 6: Final answer
    x = 606,780.88

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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.