Home / 840,111.92-1,259,788.80-240,935.52

Finding the Fourth Proportional to 840,111.92, 1,259,788.80 and 240,935.52

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Solution

The fourth proportional to 840,111.92, 1,259,788.80 and 240,935.52 is: 361,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,111.92 : 1,259,788.80 = 240,935.52 : x
  2. Step 2: Convert to fraction form
    840,111.92/1,259,788.80 = 240,935.52/x
  3. Step 3: Cross multiply
    840,111.92x = 1,259,788.80 × 240,935.52
  4. Step 4: Simplify right side
    840,111.92x = 303,527,869,618.18
  5. Step 5: Solve for x
    x = 303,527,869,618.18/840,111.92
  6. Step 6: Final answer
    x = 361,294.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.