Home / 627,209.96-865,550.49-340,730.24

Finding the Fourth Proportional to 627,209.96, 865,550.49 and 340,730.24

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Solution

The fourth proportional to 627,209.96, 865,550.49 and 340,730.24 is: 470,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,209.96 : 865,550.49 = 340,730.24 : x
  2. Step 2: Convert to fraction form
    627,209.96/865,550.49 = 340,730.24/x
  3. Step 3: Cross multiply
    627,209.96x = 865,550.49 × 340,730.24
  4. Step 4: Simplify right side
    627,209.96x = 294,919,226,189.82
  5. Step 5: Solve for x
    x = 294,919,226,189.82/627,209.96
  6. Step 6: Final answer
    x = 470,208.14

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1.5x scale

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.