Home / 558,969.60-771,377.00-304,320.18

Finding the Fourth Proportional to 558,969.60, 771,377.00 and 304,320.18

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Solution

The fourth proportional to 558,969.60, 771,377.00 and 304,320.18 is: 419,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,969.60 : 771,377.00 = 304,320.18 : x
  2. Step 2: Convert to fraction form
    558,969.60/771,377.00 = 304,320.18/x
  3. Step 3: Cross multiply
    558,969.60x = 771,377.00 × 304,320.18
  4. Step 4: Simplify right side
    558,969.60x = 234,745,585,966.26
  5. Step 5: Solve for x
    x = 234,745,585,966.26/558,969.60
  6. Step 6: Final answer
    x = 419,961.28

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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.