Home / 753,835.20-1,130,919.55-248,375.76

Finding the Fourth Proportional to 753,835.20, 1,130,919.55 and 248,375.76

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Solution

The fourth proportional to 753,835.20, 1,130,919.55 and 248,375.76 is: 372,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,835.20 : 1,130,919.55 = 248,375.76 : x
  2. Step 2: Convert to fraction form
    753,835.20/1,130,919.55 = 248,375.76/x
  3. Step 3: Cross multiply
    753,835.20x = 1,130,919.55 × 248,375.76
  4. Step 4: Simplify right side
    753,835.20x = 280,893,002,730.11
  5. Step 5: Solve for x
    x = 280,893,002,730.11/753,835.20
  6. Step 6: Final answer
    x = 372,618.58

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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.