Home / 717,280.46-1,076,169.80-318,201.48

Finding the Fourth Proportional to 717,280.46, 1,076,169.80 and 318,201.48

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Solution

The fourth proportional to 717,280.46, 1,076,169.80 and 318,201.48 is: 477,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,280.46 : 1,076,169.80 = 318,201.48 : x
  2. Step 2: Convert to fraction form
    717,280.46/1,076,169.80 = 318,201.48/x
  3. Step 3: Cross multiply
    717,280.46x = 1,076,169.80 × 318,201.48
  4. Step 4: Simplify right side
    717,280.46x = 342,438,821,500.30
  5. Step 5: Solve for x
    x = 342,438,821,500.30/717,280.46
  6. Step 6: Final answer
    x = 477,412.73

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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.