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Finding the Fourth Proportional to 477,999.36, 717,062.40 and 253,474.56

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Solution

The fourth proportional to 477,999.36, 717,062.40 and 253,474.56 is: 380,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,999.36 : 717,062.40 = 253,474.56 : x
  2. Step 2: Convert to fraction form
    477,999.36/717,062.40 = 253,474.56/x
  3. Step 3: Cross multiply
    477,999.36x = 717,062.40 × 253,474.56
  4. Step 4: Simplify right side
    477,999.36x = 181,757,076,332.54
  5. Step 5: Solve for x
    x = 181,757,076,332.54/477,999.36
  6. Step 6: Final answer
    x = 380,245.44

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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.