Home / 627,256.06-865,617.50-340,776.07

Finding the Fourth Proportional to 627,256.06, 865,617.50 and 340,776.07

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Solution

The fourth proportional to 627,256.06, 865,617.50 and 340,776.07 is: 470,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,256.06 : 865,617.50 = 340,776.07 : x
  2. Step 2: Convert to fraction form
    627,256.06/865,617.50 = 340,776.07/x
  3. Step 3: Cross multiply
    627,256.06x = 865,617.50 × 340,776.07
  4. Step 4: Simplify right side
    627,256.06x = 294,981,728,461.12
  5. Step 5: Solve for x
    x = 294,981,728,461.12/627,256.06
  6. Step 6: Final answer
    x = 470,273.22

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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.