Home / 878,294.25-1,212,046.92-475,886.25

Finding the Fourth Proportional to 878,294.25, 1,212,046.92 and 475,886.25

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Solution

The fourth proportional to 878,294.25, 1,212,046.92 and 475,886.25 is: 656,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,294.25 : 1,212,046.92 = 475,886.25 : x
  2. Step 2: Convert to fraction form
    878,294.25/1,212,046.92 = 475,886.25/x
  3. Step 3: Cross multiply
    878,294.25x = 1,212,046.92 × 475,886.25
  4. Step 4: Simplify right side
    878,294.25x = 576,796,463,582.85
  5. Step 5: Solve for x
    x = 576,796,463,582.85/878,294.25
  6. Step 6: Final answer
    x = 656,723.49

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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.