Home / 627,076.28-865,367.75-340,601.15

Finding the Fourth Proportional to 627,076.28, 865,367.75 and 340,601.15

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Solution

The fourth proportional to 627,076.28, 865,367.75 and 340,601.15 is: 470,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,076.28 : 865,367.75 = 340,601.15 : x
  2. Step 2: Convert to fraction form
    627,076.28/865,367.75 = 340,601.15/x
  3. Step 3: Cross multiply
    627,076.28x = 865,367.75 × 340,601.15
  4. Step 4: Simplify right side
    627,076.28x = 294,745,249,119.91
  5. Step 5: Solve for x
    x = 294,745,249,119.91/627,076.28
  6. Step 6: Final answer
    x = 470,030.93

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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.