Home / 769,622.32-1,154,433.48-466,077.65

Finding the Fourth Proportional to 769,622.32, 1,154,433.48 and 466,077.65

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Solution

The fourth proportional to 769,622.32, 1,154,433.48 and 466,077.65 is: 699,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,622.32 : 1,154,433.48 = 466,077.65 : x
  2. Step 2: Convert to fraction form
    769,622.32/1,154,433.48 = 466,077.65/x
  3. Step 3: Cross multiply
    769,622.32x = 1,154,433.48 × 466,077.65
  4. Step 4: Simplify right side
    769,622.32x = 538,055,646,325.81
  5. Step 5: Solve for x
    x = 538,055,646,325.81/769,622.32
  6. Step 6: Final answer
    x = 699,116.48

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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.