Home / 658,016.10-986,164.20-476,258.91

Finding the Fourth Proportional to 658,016.10, 986,164.20 and 476,258.91

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Solution

The fourth proportional to 658,016.10, 986,164.20 and 476,258.91 is: 713,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,016.10 : 986,164.20 = 476,258.91 : x
  2. Step 2: Convert to fraction form
    658,016.10/986,164.20 = 476,258.91/x
  3. Step 3: Cross multiply
    658,016.10x = 986,164.20 × 476,258.91
  4. Step 4: Simplify right side
    658,016.10x = 469,669,486,973.02
  5. Step 5: Solve for x
    x = 469,669,486,973.02/658,016.10
  6. Step 6: Final answer
    x = 713,765.95

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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.