Home / 679,425.10-1,019,111.03-230,145.96

Finding the Fourth Proportional to 679,425.10, 1,019,111.03 and 230,145.96

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Solution

The fourth proportional to 679,425.10, 1,019,111.03 and 230,145.96 is: 345,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,425.10 : 1,019,111.03 = 230,145.96 : x
  2. Step 2: Convert to fraction form
    679,425.10/1,019,111.03 = 230,145.96/x
  3. Step 3: Cross multiply
    679,425.10x = 1,019,111.03 × 230,145.96
  4. Step 4: Simplify right side
    679,425.10x = 234,544,286,921.30
  5. Step 5: Solve for x
    x = 234,544,286,921.30/679,425.10
  6. Step 6: Final answer
    x = 345,209.92

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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.