Home / 887,850.49-1,331,788.01-288,814.78

Finding the Fourth Proportional to 887,850.49, 1,331,788.01 and 288,814.78

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Solution

The fourth proportional to 887,850.49, 1,331,788.01 and 288,814.78 is: 433,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,850.49 : 1,331,788.01 = 288,814.78 : x
  2. Step 2: Convert to fraction form
    887,850.49/1,331,788.01 = 288,814.78/x
  3. Step 3: Cross multiply
    887,850.49x = 1,331,788.01 × 288,814.78
  4. Step 4: Simplify right side
    887,850.49x = 384,640,061,114.79
  5. Step 5: Solve for x
    x = 384,640,061,114.79/887,850.49
  6. Step 6: Final answer
    x = 433,226.16

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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.