Home / 695,867.73-1,042,029.32-458,490.93

Finding the Fourth Proportional to 695,867.73, 1,042,029.32 and 458,490.93

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Solution

The fourth proportional to 695,867.73, 1,042,029.32 and 458,490.93 is: 686,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,867.73 : 1,042,029.32 = 458,490.93 : x
  2. Step 2: Convert to fraction form
    695,867.73/1,042,029.32 = 458,490.93/x
  3. Step 3: Cross multiply
    695,867.73x = 1,042,029.32 × 458,490.93
  4. Step 4: Simplify right side
    695,867.73x = 477,760,989,721.61
  5. Step 5: Solve for x
    x = 477,760,989,721.61/695,867.73
  6. Step 6: Final answer
    x = 686,568.68

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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.