Home / 785,521.38-1,178,349.42-216,902.46

Finding the Fourth Proportional to 785,521.38, 1,178,349.42 and 216,902.46

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Solution

The fourth proportional to 785,521.38, 1,178,349.42 and 216,902.46 is: 325,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,521.38 : 1,178,349.42 = 216,902.46 : x
  2. Step 2: Convert to fraction form
    785,521.38/1,178,349.42 = 216,902.46/x
  3. Step 3: Cross multiply
    785,521.38x = 1,178,349.42 × 216,902.46
  4. Step 4: Simplify right side
    785,521.38x = 255,586,887,937.57
  5. Step 5: Solve for x
    x = 255,586,887,937.57/785,521.38
  6. Step 6: Final answer
    x = 325,372.29

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Double scale
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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.