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Finding the Fourth Proportional to 627,366.92, 865,769.04 and 340,888.14

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Solution

The fourth proportional to 627,366.92, 865,769.04 and 340,888.14 is: 470,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,366.92 : 865,769.04 = 340,888.14 : x
  2. Step 2: Convert to fraction form
    627,366.92/865,769.04 = 340,888.14/x
  3. Step 3: Cross multiply
    627,366.92x = 865,769.04 × 340,888.14
  4. Step 4: Simplify right side
    627,366.92x = 295,130,397,715.19
  5. Step 5: Solve for x
    x = 295,130,397,715.19/627,366.92
  6. Step 6: Final answer
    x = 470,427.10

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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.