Home / 725,780.16-1,001,598.36-399,076.24

Finding the Fourth Proportional to 725,780.16, 1,001,598.36 and 399,076.24

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Solution

The fourth proportional to 725,780.16, 1,001,598.36 and 399,076.24 is: 550,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,780.16 : 1,001,598.36 = 399,076.24 : x
  2. Step 2: Convert to fraction form
    725,780.16/1,001,598.36 = 399,076.24/x
  3. Step 3: Cross multiply
    725,780.16x = 1,001,598.36 × 399,076.24
  4. Step 4: Simplify right side
    725,780.16x = 399,714,107,498.97
  5. Step 5: Solve for x
    x = 399,714,107,498.97/725,780.16
  6. Step 6: Final answer
    x = 550,737.16

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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.