Home / 866,546.72-1,195,867.12-484,572.64

Finding the Fourth Proportional to 866,546.72, 1,195,867.12 and 484,572.64

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Solution

The fourth proportional to 866,546.72, 1,195,867.12 and 484,572.64 is: 668,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,546.72 : 1,195,867.12 = 484,572.64 : x
  2. Step 2: Convert to fraction form
    866,546.72/1,195,867.12 = 484,572.64/x
  3. Step 3: Cross multiply
    866,546.72x = 1,195,867.12 × 484,572.64
  4. Step 4: Simplify right side
    866,546.72x = 579,484,487,427.60
  5. Step 5: Solve for x
    x = 579,484,487,427.60/866,546.72
  6. Step 6: Final answer
    x = 668,728.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.