Home / 679,339.80-1,018,977.30-230,016.60

Finding the Fourth Proportional to 679,339.80, 1,018,977.30 and 230,016.60

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Solution

The fourth proportional to 679,339.80, 1,018,977.30 and 230,016.60 is: 345,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,339.80 : 1,018,977.30 = 230,016.60 : x
  2. Step 2: Convert to fraction form
    679,339.80/1,018,977.30 = 230,016.60/x
  3. Step 3: Cross multiply
    679,339.80x = 1,018,977.30 × 230,016.60
  4. Step 4: Simplify right side
    679,339.80x = 234,381,694,023.18
  5. Step 5: Solve for x
    x = 234,381,694,023.18/679,339.80
  6. Step 6: Final answer
    x = 345,013.93

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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.