Home / 851,520.72-1,277,379.90-282,952.56

Finding the Fourth Proportional to 851,520.72, 1,277,379.90 and 282,952.56

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Solution

The fourth proportional to 851,520.72, 1,277,379.90 and 282,952.56 is: 424,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,520.72 : 1,277,379.90 = 282,952.56 : x
  2. Step 2: Convert to fraction form
    851,520.72/1,277,379.90 = 282,952.56/x
  3. Step 3: Cross multiply
    851,520.72x = 1,277,379.90 × 282,952.56
  4. Step 4: Simplify right side
    851,520.72x = 361,437,912,797.54
  5. Step 5: Solve for x
    x = 361,437,912,797.54/851,520.72
  6. Step 6: Final answer
    x = 424,461.68

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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.