Home / 725,463.28-1,001,059.77-419,493.48

Finding the Fourth Proportional to 725,463.28, 1,001,059.77 and 419,493.48

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Solution

The fourth proportional to 725,463.28, 1,001,059.77 and 419,493.48 is: 578,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,463.28 : 1,001,059.77 = 419,493.48 : x
  2. Step 2: Convert to fraction form
    725,463.28/1,001,059.77 = 419,493.48/x
  3. Step 3: Cross multiply
    725,463.28x = 1,001,059.77 × 419,493.48
  4. Step 4: Simplify right side
    725,463.28x = 419,938,046,605.30
  5. Step 5: Solve for x
    x = 419,938,046,605.30/725,463.28
  6. Step 6: Final answer
    x = 578,855.00

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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.