Home / 887,780.08-1,331,734.92-256,697.20

Finding the Fourth Proportional to 887,780.08, 1,331,734.92 and 256,697.20

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Solution

The fourth proportional to 887,780.08, 1,331,734.92 and 256,697.20 is: 385,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,780.08 : 1,331,734.92 = 256,697.20 : x
  2. Step 2: Convert to fraction form
    887,780.08/1,331,734.92 = 256,697.20/x
  3. Step 3: Cross multiply
    887,780.08x = 1,331,734.92 × 256,697.20
  4. Step 4: Simplify right side
    887,780.08x = 341,852,625,106.22
  5. Step 5: Solve for x
    x = 341,852,625,106.22/887,780.08
  6. Step 6: Final answer
    x = 385,064.54

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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.