Home / 627,515.13-865,977.56-341,035.20

Finding the Fourth Proportional to 627,515.13, 865,977.56 and 341,035.20

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Solution

The fourth proportional to 627,515.13, 865,977.56 and 341,035.20 is: 470,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,515.13 : 865,977.56 = 341,035.20 : x
  2. Step 2: Convert to fraction form
    627,515.13/865,977.56 = 341,035.20/x
  3. Step 3: Cross multiply
    627,515.13x = 865,977.56 × 341,035.20
  4. Step 4: Simplify right side
    627,515.13x = 295,328,828,664.94
  5. Step 5: Solve for x
    x = 295,328,828,664.94/627,515.13
  6. Step 6: Final answer
    x = 470,632.20

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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.