Home / 627,267.07-865,632.69-340,787.08

Finding the Fourth Proportional to 627,267.07, 865,632.69 and 340,787.08

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Solution

The fourth proportional to 627,267.07, 865,632.69 and 340,787.08 is: 470,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,267.07 : 865,632.69 = 340,787.08 : x
  2. Step 2: Convert to fraction form
    627,267.07/865,632.69 = 340,787.08/x
  3. Step 3: Cross multiply
    627,267.07x = 865,632.69 × 340,787.08
  4. Step 4: Simplify right side
    627,267.07x = 294,996,432,449.48
  5. Step 5: Solve for x
    x = 294,996,432,449.48/627,267.07
  6. Step 6: Final answer
    x = 470,288.41

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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.