Home / 725,018.04-1,000,299.16-418,982.92

Finding the Fourth Proportional to 725,018.04, 1,000,299.16 and 418,982.92

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Solution

The fourth proportional to 725,018.04, 1,000,299.16 and 418,982.92 is: 578,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,018.04 : 1,000,299.16 = 418,982.92 : x
  2. Step 2: Convert to fraction form
    725,018.04/1,000,299.16 = 418,982.92/x
  3. Step 3: Cross multiply
    725,018.04x = 1,000,299.16 × 418,982.92
  4. Step 4: Simplify right side
    725,018.04x = 419,108,262,930.35
  5. Step 5: Solve for x
    x = 419,108,262,930.35/725,018.04
  6. Step 6: Final answer
    x = 578,065.98

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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.