Home / 522,918.24-721,618.20-293,480.88

Finding the Fourth Proportional to 522,918.24, 721,618.20 and 293,480.88

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Solution

The fourth proportional to 522,918.24, 721,618.20 and 293,480.88 is: 404,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,918.24 : 721,618.20 = 293,480.88 : x
  2. Step 2: Convert to fraction form
    522,918.24/721,618.20 = 293,480.88/x
  3. Step 3: Cross multiply
    522,918.24x = 721,618.20 × 293,480.88
  4. Step 4: Simplify right side
    522,918.24x = 211,781,144,360.02
  5. Step 5: Solve for x
    x = 211,781,144,360.02/522,918.24
  6. Step 6: Final answer
    x = 404,998.58

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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.