Home / 725,069.96-1,000,562.59-402,799.71

Finding the Fourth Proportional to 725,069.96, 1,000,562.59 and 402,799.71

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Solution

The fourth proportional to 725,069.96, 1,000,562.59 and 402,799.71 is: 555,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,069.96 : 1,000,562.59 = 402,799.71 : x
  2. Step 2: Convert to fraction form
    725,069.96/1,000,562.59 = 402,799.71/x
  3. Step 3: Cross multiply
    725,069.96x = 1,000,562.59 × 402,799.71
  4. Step 4: Simplify right side
    725,069.96x = 403,026,320,081.85
  5. Step 5: Solve for x
    x = 403,026,320,081.85/725,069.96
  6. Step 6: Final answer
    x = 555,844.74

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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.