Home / 807,485.20-1,211,227.80-732,689.80

Finding the Fourth Proportional to 807,485.20, 1,211,227.80 and 732,689.80

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Solution

The fourth proportional to 807,485.20, 1,211,227.80 and 732,689.80 is: 1,099,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,485.20 : 1,211,227.80 = 732,689.80 : x
  2. Step 2: Convert to fraction form
    807,485.20/1,211,227.80 = 732,689.80/x
  3. Step 3: Cross multiply
    807,485.20x = 1,211,227.80 × 732,689.80
  4. Step 4: Simplify right side
    807,485.20x = 887,454,254,536.44
  5. Step 5: Solve for x
    x = 887,454,254,536.44/807,485.20
  6. Step 6: Final answer
    x = 1,099,034.70

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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.