Home / 777,206.10-1,165,809.15-444,815.70

Finding the Fourth Proportional to 777,206.10, 1,165,809.15 and 444,815.70

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Solution

The fourth proportional to 777,206.10, 1,165,809.15 and 444,815.70 is: 667,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,206.10 : 1,165,809.15 = 444,815.70 : x
  2. Step 2: Convert to fraction form
    777,206.10/1,165,809.15 = 444,815.70/x
  3. Step 3: Cross multiply
    777,206.10x = 1,165,809.15 × 444,815.70
  4. Step 4: Simplify right side
    777,206.10x = 518,570,213,123.66
  5. Step 5: Solve for x
    x = 518,570,213,123.66/777,206.10
  6. Step 6: Final answer
    x = 667,223.55

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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.