Home / 825,531.10-1,238,296.65-760,577.20

Finding the Fourth Proportional to 825,531.10, 1,238,296.65 and 760,577.20

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Solution

The fourth proportional to 825,531.10, 1,238,296.65 and 760,577.20 is: 1,140,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,531.10 : 1,238,296.65 = 760,577.20 : x
  2. Step 2: Convert to fraction form
    825,531.10/1,238,296.65 = 760,577.20/x
  3. Step 3: Cross multiply
    825,531.10x = 1,238,296.65 × 760,577.20
  4. Step 4: Simplify right side
    825,531.10x = 941,820,198,826.38
  5. Step 5: Solve for x
    x = 941,820,198,826.38/825,531.10
  6. Step 6: Final answer
    x = 1,140,865.80

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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.