Home / 979,853.64-1,469,208.45-380,114.04

Finding the Fourth Proportional to 979,853.64, 1,469,208.45 and 380,114.04

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Solution

The fourth proportional to 979,853.64, 1,469,208.45 and 380,114.04 is: 569,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,853.64 : 1,469,208.45 = 380,114.04 : x
  2. Step 2: Convert to fraction form
    979,853.64/1,469,208.45 = 380,114.04/x
  3. Step 3: Cross multiply
    979,853.64x = 1,469,208.45 × 380,114.04
  4. Step 4: Simplify right side
    979,853.64x = 558,466,759,531.64
  5. Step 5: Solve for x
    x = 558,466,759,531.64/979,853.64
  6. Step 6: Final answer
    x = 569,949.16

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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.