Home / 477,346.18-658,735.38-281,226.52

Finding the Fourth Proportional to 477,346.18, 658,735.38 and 281,226.52

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Solution

The fourth proportional to 477,346.18, 658,735.38 and 281,226.52 is: 388,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,346.18 : 658,735.38 = 281,226.52 : x
  2. Step 2: Convert to fraction form
    477,346.18/658,735.38 = 281,226.52/x
  3. Step 3: Cross multiply
    477,346.18x = 658,735.38 × 281,226.52
  4. Step 4: Simplify right side
    477,346.18x = 185,253,858,518.28
  5. Step 5: Solve for x
    x = 185,253,858,518.28/477,346.18
  6. Step 6: Final answer
    x = 388,091.21

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1.5x scale

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.