Home / 725,065.29-1,000,562.26-402,795.64

Finding the Fourth Proportional to 725,065.29, 1,000,562.26 and 402,795.64

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Solution

The fourth proportional to 725,065.29, 1,000,562.26 and 402,795.64 is: 555,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,065.29 : 1,000,562.26 = 402,795.64 : x
  2. Step 2: Convert to fraction form
    725,065.29/1,000,562.26 = 402,795.64/x
  3. Step 3: Cross multiply
    725,065.29x = 1,000,562.26 × 402,795.64
  4. Step 4: Simplify right side
    725,065.29x = 403,022,115,876.55
  5. Step 5: Solve for x
    x = 403,022,115,876.55/725,065.29
  6. Step 6: Final answer
    x = 555,842.52

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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.