Home / 725,053.97-1,000,546.67-402,784.34

Finding the Fourth Proportional to 725,053.97, 1,000,546.67 and 402,784.34

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Solution

The fourth proportional to 725,053.97, 1,000,546.67 and 402,784.34 is: 555,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,053.97 : 1,000,546.67 = 402,784.34 : x
  2. Step 2: Convert to fraction form
    725,053.97/1,000,546.67 = 402,784.34/x
  3. Step 3: Cross multiply
    725,053.97x = 1,000,546.67 × 402,784.34
  4. Step 4: Simplify right side
    725,053.97x = 403,004,523,098.49
  5. Step 5: Solve for x
    x = 403,004,523,098.49/725,053.97
  6. Step 6: Final answer
    x = 555,826.94

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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.