Home / 785,456.32-1,178,160.94-216,872.18

Finding the Fourth Proportional to 785,456.32, 1,178,160.94 and 216,872.18

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Solution

The fourth proportional to 785,456.32, 1,178,160.94 and 216,872.18 is: 325,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,456.32 : 1,178,160.94 = 216,872.18 : x
  2. Step 2: Convert to fraction form
    785,456.32/1,178,160.94 = 216,872.18/x
  3. Step 3: Cross multiply
    785,456.32x = 1,178,160.94 × 216,872.18
  4. Step 4: Simplify right side
    785,456.32x = 255,510,331,448.65
  5. Step 5: Solve for x
    x = 255,510,331,448.65/785,456.32
  6. Step 6: Final answer
    x = 325,301.77

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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.