Home / 728,611.20-1,091,167.20-588,643.20

Finding the Fourth Proportional to 728,611.20, 1,091,167.20 and 588,643.20

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Solution

The fourth proportional to 728,611.20, 1,091,167.20 and 588,643.20 is: 881,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,611.20 : 1,091,167.20 = 588,643.20 : x
  2. Step 2: Convert to fraction form
    728,611.20/1,091,167.20 = 588,643.20/x
  3. Step 3: Cross multiply
    728,611.20x = 1,091,167.20 × 588,643.20
  4. Step 4: Simplify right side
    728,611.20x = 642,308,152,343.04
  5. Step 5: Solve for x
    x = 642,308,152,343.04/728,611.20
  6. Step 6: Final answer
    x = 881,551.30

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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.