Home / 679,258.60-1,018,825.43-229,928.11

Finding the Fourth Proportional to 679,258.60, 1,018,825.43 and 229,928.11

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Solution

The fourth proportional to 679,258.60, 1,018,825.43 and 229,928.11 is: 344,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,258.60 : 1,018,825.43 = 229,928.11 : x
  2. Step 2: Convert to fraction form
    679,258.60/1,018,825.43 = 229,928.11/x
  3. Step 3: Cross multiply
    679,258.60x = 1,018,825.43 × 229,928.11
  4. Step 4: Simplify right side
    679,258.60x = 234,256,607,512.08
  5. Step 5: Solve for x
    x = 234,256,607,512.08/679,258.60
  6. Step 6: Final answer
    x = 344,871.02

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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.