Home / 725,036.64-1,000,537.20-402,733.92

Finding the Fourth Proportional to 725,036.64, 1,000,537.20 and 402,733.92

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Solution

The fourth proportional to 725,036.64, 1,000,537.20 and 402,733.92 is: 555,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,036.64 : 1,000,537.20 = 402,733.92 : x
  2. Step 2: Convert to fraction form
    725,036.64/1,000,537.20 = 402,733.92/x
  3. Step 3: Cross multiply
    725,036.64x = 1,000,537.20 × 402,733.92
  4. Step 4: Simplify right side
    725,036.64x = 402,950,268,661.82
  5. Step 5: Solve for x
    x = 402,950,268,661.82/725,036.64
  6. Step 6: Final answer
    x = 555,765.39

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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.