Home / 782,032.38-1,173,878.08-692,655.30

Finding the Fourth Proportional to 782,032.38, 1,173,878.08 and 692,655.30

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Solution

The fourth proportional to 782,032.38, 1,173,878.08 and 692,655.30 is: 1,039,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,032.38 : 1,173,878.08 = 692,655.30 : x
  2. Step 2: Convert to fraction form
    782,032.38/1,173,878.08 = 692,655.30/x
  3. Step 3: Cross multiply
    782,032.38x = 1,173,878.08 × 692,655.30
  4. Step 4: Simplify right side
    782,032.38x = 813,092,873,665.82
  5. Step 5: Solve for x
    x = 813,092,873,665.82/782,032.38
  6. Step 6: Final answer
    x = 1,039,717.66

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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.