Home / 627,070.88-865,362.38-340,591.04

Finding the Fourth Proportional to 627,070.88, 865,362.38 and 340,591.04

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Solution

The fourth proportional to 627,070.88, 865,362.38 and 340,591.04 is: 470,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,070.88 : 865,362.38 = 340,591.04 : x
  2. Step 2: Convert to fraction form
    627,070.88/865,362.38 = 340,591.04/x
  3. Step 3: Cross multiply
    627,070.88x = 865,362.38 × 340,591.04
  4. Step 4: Simplify right side
    627,070.88x = 294,734,666,951.31
  5. Step 5: Solve for x
    x = 294,734,666,951.31/627,070.88
  6. Step 6: Final answer
    x = 470,018.11

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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.