Home / 725,273.67-1,000,859.59-402,984.59

Finding the Fourth Proportional to 725,273.67, 1,000,859.59 and 402,984.59

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Solution

The fourth proportional to 725,273.67, 1,000,859.59 and 402,984.59 is: 556,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,273.67 : 1,000,859.59 = 402,984.59 : x
  2. Step 2: Convert to fraction form
    725,273.67/1,000,859.59 = 402,984.59/x
  3. Step 3: Cross multiply
    725,273.67x = 1,000,859.59 × 402,984.59
  4. Step 4: Simplify right side
    725,273.67x = 403,330,995,467.90
  5. Step 5: Solve for x
    x = 403,330,995,467.90/725,273.67
  6. Step 6: Final answer
    x = 556,108.70

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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.