Home / 785,449.33-1,178,150.45-216,865.17

Finding the Fourth Proportional to 785,449.33, 1,178,150.45 and 216,865.17

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Solution

The fourth proportional to 785,449.33, 1,178,150.45 and 216,865.17 is: 325,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,449.33 : 1,178,150.45 = 216,865.17 : x
  2. Step 2: Convert to fraction form
    785,449.33/1,178,150.45 = 216,865.17/x
  3. Step 3: Cross multiply
    785,449.33x = 1,178,150.45 × 216,865.17
  4. Step 4: Simplify right side
    785,449.33x = 255,499,796,540.50
  5. Step 5: Solve for x
    x = 255,499,796,540.50/785,449.33
  6. Step 6: Final answer
    x = 325,291.25

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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.