Home / 783,010.80-1,172,183.40-467,305.20

Finding the Fourth Proportional to 783,010.80, 1,172,183.40 and 467,305.20

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Solution

The fourth proportional to 783,010.80, 1,172,183.40 and 467,305.20 is: 699,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,010.80 : 1,172,183.40 = 467,305.20 : x
  2. Step 2: Convert to fraction form
    783,010.80/1,172,183.40 = 467,305.20/x
  3. Step 3: Cross multiply
    783,010.80x = 1,172,183.40 × 467,305.20
  4. Step 4: Simplify right side
    783,010.80x = 547,767,398,173.68
  5. Step 5: Solve for x
    x = 547,767,398,173.68/783,010.80
  6. Step 6: Final answer
    x = 699,565.57

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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.