Home / 781,748.32-1,172,794.56-444,947.44

Finding the Fourth Proportional to 781,748.32, 1,172,794.56 and 444,947.44

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Solution

The fourth proportional to 781,748.32, 1,172,794.56 and 444,947.44 is: 667,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,748.32 : 1,172,794.56 = 444,947.44 : x
  2. Step 2: Convert to fraction form
    781,748.32/1,172,794.56 = 444,947.44/x
  3. Step 3: Cross multiply
    781,748.32x = 1,172,794.56 × 444,947.44
  4. Step 4: Simplify right side
    781,748.32x = 521,831,937,117.93
  5. Step 5: Solve for x
    x = 521,831,937,117.93/781,748.32
  6. Step 6: Final answer
    x = 667,519.10

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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.