Home / 679,258.55-1,018,825.36-229,928.06

Finding the Fourth Proportional to 679,258.55, 1,018,825.36 and 229,928.06

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Solution

The fourth proportional to 679,258.55, 1,018,825.36 and 229,928.06 is: 344,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,258.55 : 1,018,825.36 = 229,928.06 : x
  2. Step 2: Convert to fraction form
    679,258.55/1,018,825.36 = 229,928.06/x
  3. Step 3: Cross multiply
    679,258.55x = 1,018,825.36 × 229,928.06
  4. Step 4: Simplify right side
    679,258.55x = 234,256,540,475.85
  5. Step 5: Solve for x
    x = 234,256,540,475.85/679,258.55
  6. Step 6: Final answer
    x = 344,870.95

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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.