Home / 785,987.38-1,179,210.71-253,496.62

Finding the Fourth Proportional to 785,987.38, 1,179,210.71 and 253,496.62

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Solution

The fourth proportional to 785,987.38, 1,179,210.71 and 253,496.62 is: 380,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,987.38 : 1,179,210.71 = 253,496.62 : x
  2. Step 2: Convert to fraction form
    785,987.38/1,179,210.71 = 253,496.62/x
  3. Step 3: Cross multiply
    785,987.38x = 1,179,210.71 × 253,496.62
  4. Step 4: Simplify right side
    785,987.38x = 298,925,929,252.80
  5. Step 5: Solve for x
    x = 298,925,929,252.80/785,987.38
  6. Step 6: Final answer
    x = 380,318.99

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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.