Home / 887,669.20-1,331,577.08-288,616.72

Finding the Fourth Proportional to 887,669.20, 1,331,577.08 and 288,616.72

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Solution

The fourth proportional to 887,669.20, 1,331,577.08 and 288,616.72 is: 432,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,669.20 : 1,331,577.08 = 288,616.72 : x
  2. Step 2: Convert to fraction form
    887,669.20/1,331,577.08 = 288,616.72/x
  3. Step 3: Cross multiply
    887,669.20x = 1,331,577.08 × 288,616.72
  4. Step 4: Simplify right side
    887,669.20x = 384,315,409,256.78
  5. Step 5: Solve for x
    x = 384,315,409,256.78/887,669.20
  6. Step 6: Final answer
    x = 432,948.91

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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.