Home / 725,001.32-1,000,501.31-402,741.41

Finding the Fourth Proportional to 725,001.32, 1,000,501.31 and 402,741.41

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Solution

The fourth proportional to 725,001.32, 1,000,501.31 and 402,741.41 is: 555,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,001.32 : 1,000,501.31 = 402,741.41 : x
  2. Step 2: Convert to fraction form
    725,001.32/1,000,501.31 = 402,741.41/x
  3. Step 3: Cross multiply
    725,001.32x = 1,000,501.31 × 402,741.41
  4. Step 4: Simplify right side
    725,001.32x = 402,943,301,280.03
  5. Step 5: Solve for x
    x = 402,943,301,280.03/725,001.32
  6. Step 6: Final answer
    x = 555,782.86

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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.