Home / 404,948.60-607,422.90-272,238.20

Finding the Fourth Proportional to 404,948.60, 607,422.90 and 272,238.20

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Solution

The fourth proportional to 404,948.60, 607,422.90 and 272,238.20 is: 408,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,948.60 : 607,422.90 = 272,238.20 : x
  2. Step 2: Convert to fraction form
    404,948.60/607,422.90 = 272,238.20/x
  3. Step 3: Cross multiply
    404,948.60x = 607,422.90 × 272,238.20
  4. Step 4: Simplify right side
    404,948.60x = 165,363,716,934.78
  5. Step 5: Solve for x
    x = 165,363,716,934.78/404,948.60
  6. Step 6: Final answer
    x = 408,357.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.