Home / 782,617.77-1,080,899.51-527,530.41

Finding the Fourth Proportional to 782,617.77, 1,080,899.51 and 527,530.41

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Solution

The fourth proportional to 782,617.77, 1,080,899.51 and 527,530.41 is: 728,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,617.77 : 1,080,899.51 = 527,530.41 : x
  2. Step 2: Convert to fraction form
    782,617.77/1,080,899.51 = 527,530.41/x
  3. Step 3: Cross multiply
    782,617.77x = 1,080,899.51 × 527,530.41
  4. Step 4: Simplify right side
    782,617.77x = 570,207,359,041.45
  5. Step 5: Solve for x
    x = 570,207,359,041.45/782,617.77
  6. Step 6: Final answer
    x = 728,589.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.