Home / 477,129.60-658,431.46-262,265.06

Finding the Fourth Proportional to 477,129.60, 658,431.46 and 262,265.06

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Solution

The fourth proportional to 477,129.60, 658,431.46 and 262,265.06 is: 361,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,129.60 : 658,431.46 = 262,265.06 : x
  2. Step 2: Convert to fraction form
    477,129.60/658,431.46 = 262,265.06/x
  3. Step 3: Cross multiply
    477,129.60x = 658,431.46 × 262,265.06
  4. Step 4: Simplify right side
    477,129.60x = 172,683,566,362.79
  5. Step 5: Solve for x
    x = 172,683,566,362.79/477,129.60
  6. Step 6: Final answer
    x = 361,921.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.