Home / 888,144.96-1,331,916.48-288,958.08

Finding the Fourth Proportional to 888,144.96, 1,331,916.48 and 288,958.08

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Solution

The fourth proportional to 888,144.96, 1,331,916.48 and 288,958.08 is: 433,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,144.96 : 1,331,916.48 = 288,958.08 : x
  2. Step 2: Convert to fraction form
    888,144.96/1,331,916.48 = 288,958.08/x
  3. Step 3: Cross multiply
    888,144.96x = 1,331,916.48 × 288,958.08
  4. Step 4: Simplify right side
    888,144.96x = 384,868,028,781.16
  5. Step 5: Solve for x
    x = 384,868,028,781.16/888,144.96
  6. Step 6: Final answer
    x = 433,339.20

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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.