Home / 725,462.28-1,001,058.39-419,492.48

Finding the Fourth Proportional to 725,462.28, 1,001,058.39 and 419,492.48

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Solution

The fourth proportional to 725,462.28, 1,001,058.39 and 419,492.48 is: 578,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,462.28 : 1,001,058.39 = 419,492.48 : x
  2. Step 2: Convert to fraction form
    725,462.28/1,001,058.39 = 419,492.48/x
  3. Step 3: Cross multiply
    725,462.28x = 1,001,058.39 × 419,492.48
  4. Step 4: Simplify right side
    725,462.28x = 419,936,461,640.62
  5. Step 5: Solve for x
    x = 419,936,461,640.62/725,462.28
  6. Step 6: Final answer
    x = 578,853.61

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1.5x scale

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.