Home / 627,475.14-865,921.19-340,995.29

Finding the Fourth Proportional to 627,475.14, 865,921.19 and 340,995.29

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Solution

The fourth proportional to 627,475.14, 865,921.19 and 340,995.29 is: 470,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,475.14 : 865,921.19 = 340,995.29 : x
  2. Step 2: Convert to fraction form
    627,475.14/865,921.19 = 340,995.29/x
  3. Step 3: Cross multiply
    627,475.14x = 865,921.19 × 340,995.29
  4. Step 4: Simplify right side
    627,475.14x = 295,275,041,266.61
  5. Step 5: Solve for x
    x = 295,275,041,266.61/627,475.14
  6. Step 6: Final answer
    x = 470,576.48

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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.