Home / 627,108.66-865,426.05-340,645.14

Finding the Fourth Proportional to 627,108.66, 865,426.05 and 340,645.14

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Solution

The fourth proportional to 627,108.66, 865,426.05 and 340,645.14 is: 470,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,108.66 : 865,426.05 = 340,645.14 : x
  2. Step 2: Convert to fraction form
    627,108.66/865,426.05 = 340,645.14/x
  3. Step 3: Cross multiply
    627,108.66x = 865,426.05 × 340,645.14
  4. Step 4: Simplify right side
    627,108.66x = 294,803,177,961.90
  5. Step 5: Solve for x
    x = 294,803,177,961.90/627,108.66
  6. Step 6: Final answer
    x = 470,099.04

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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.