Home / 766,502.88-1,057,797.98-439,875.66

Finding the Fourth Proportional to 766,502.88, 1,057,797.98 and 439,875.66

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Solution

The fourth proportional to 766,502.88, 1,057,797.98 and 439,875.66 is: 607,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,502.88 : 1,057,797.98 = 439,875.66 : x
  2. Step 2: Convert to fraction form
    766,502.88/1,057,797.98 = 439,875.66/x
  3. Step 3: Cross multiply
    766,502.88x = 1,057,797.98 × 439,875.66
  4. Step 4: Simplify right side
    766,502.88x = 465,299,582,399.79
  5. Step 5: Solve for x
    x = 465,299,582,399.79/766,502.88
  6. Step 6: Final answer
    x = 607,042.18

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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.