Home / 477,403.72-658,816.30-273,520.60

Finding the Fourth Proportional to 477,403.72, 658,816.30 and 273,520.60

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Solution

The fourth proportional to 477,403.72, 658,816.30 and 273,520.60 is: 377,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,403.72 : 658,816.30 = 273,520.60 : x
  2. Step 2: Convert to fraction form
    477,403.72/658,816.30 = 273,520.60/x
  3. Step 3: Cross multiply
    477,403.72x = 658,816.30 × 273,520.60
  4. Step 4: Simplify right side
    477,403.72x = 180,199,829,665.78
  5. Step 5: Solve for x
    x = 180,199,829,665.78/477,403.72
  6. Step 6: Final answer
    x = 377,457.95

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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.