Home / 627,341.81-865,719.23-340,863.95

Finding the Fourth Proportional to 627,341.81, 865,719.23 and 340,863.95

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Solution

The fourth proportional to 627,341.81, 865,719.23 and 340,863.95 is: 470,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,341.81 : 865,719.23 = 340,863.95 : x
  2. Step 2: Convert to fraction form
    627,341.81/865,719.23 = 340,863.95/x
  3. Step 3: Cross multiply
    627,341.81x = 865,719.23 × 340,863.95
  4. Step 4: Simplify right side
    627,341.81x = 295,092,470,295.84
  5. Step 5: Solve for x
    x = 295,092,470,295.84/627,341.81
  6. Step 6: Final answer
    x = 470,385.47

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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.