Home / 781,818.19-1,171,924.32-444,137.80

Finding the Fourth Proportional to 781,818.19, 1,171,924.32 and 444,137.80

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Solution

The fourth proportional to 781,818.19, 1,171,924.32 and 444,137.80 is: 665,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,818.19 : 1,171,924.32 = 444,137.80 : x
  2. Step 2: Convert to fraction form
    781,818.19/1,171,924.32 = 444,137.80/x
  3. Step 3: Cross multiply
    781,818.19x = 1,171,924.32 × 444,137.80
  4. Step 4: Simplify right side
    781,818.19x = 520,495,889,251.30
  5. Step 5: Solve for x
    x = 520,495,889,251.30/781,818.19
  6. Step 6: Final answer
    x = 665,750.55

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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.