Home / 725,816.04-1,001,651.68-399,153.88

Finding the Fourth Proportional to 725,816.04, 1,001,651.68 and 399,153.88

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Solution

The fourth proportional to 725,816.04, 1,001,651.68 and 399,153.88 is: 550,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,816.04 : 1,001,651.68 = 399,153.88 : x
  2. Step 2: Convert to fraction form
    725,816.04/1,001,651.68 = 399,153.88/x
  3. Step 3: Cross multiply
    725,816.04x = 1,001,651.68 × 399,153.88
  4. Step 4: Simplify right side
    725,816.04x = 399,813,154,480.52
  5. Step 5: Solve for x
    x = 399,813,154,480.52/725,816.04
  6. Step 6: Final answer
    x = 550,846.40

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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.