Home / 725,004.04-1,000,279.86-418,968.94

Finding the Fourth Proportional to 725,004.04, 1,000,279.86 and 418,968.94

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Solution

The fourth proportional to 725,004.04, 1,000,279.86 and 418,968.94 is: 578,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,004.04 : 1,000,279.86 = 418,968.94 : x
  2. Step 2: Convert to fraction form
    725,004.04/1,000,279.86 = 418,968.94/x
  3. Step 3: Cross multiply
    725,004.04x = 1,000,279.86 × 418,968.94
  4. Step 4: Simplify right side
    725,004.04x = 419,086,192,647.55
  5. Step 5: Solve for x
    x = 419,086,192,647.55/725,004.04
  6. Step 6: Final answer
    x = 578,046.70

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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.