Home / 725,426.42-1,001,008.97-419,456.50

Finding the Fourth Proportional to 725,426.42, 1,001,008.97 and 419,456.50

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Solution

The fourth proportional to 725,426.42, 1,001,008.97 and 419,456.50 is: 578,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,426.42 : 1,001,008.97 = 419,456.50 : x
  2. Step 2: Convert to fraction form
    725,426.42/1,001,008.97 = 419,456.50/x
  3. Step 3: Cross multiply
    725,426.42x = 1,001,008.97 × 419,456.50
  4. Step 4: Simplify right side
    725,426.42x = 419,879,711,922.48
  5. Step 5: Solve for x
    x = 419,879,711,922.48/725,426.42
  6. Step 6: Final answer
    x = 578,804.00

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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.