Home / 725,092.43-1,000,628.64-402,794.24

Finding the Fourth Proportional to 725,092.43, 1,000,628.64 and 402,794.24

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Solution

The fourth proportional to 725,092.43, 1,000,628.64 and 402,794.24 is: 555,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,092.43 : 1,000,628.64 = 402,794.24 : x
  2. Step 2: Convert to fraction form
    725,092.43/1,000,628.64 = 402,794.24/x
  3. Step 3: Cross multiply
    725,092.43x = 1,000,628.64 × 402,794.24
  4. Step 4: Simplify right side
    725,092.43x = 403,047,447,567.89
  5. Step 5: Solve for x
    x = 403,047,447,567.89/725,092.43
  6. Step 6: Final answer
    x = 555,856.65

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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.