Home / 779,826.80-1,168,865.40-443,028.80

Finding the Fourth Proportional to 779,826.80, 1,168,865.40 and 443,028.80

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Solution

The fourth proportional to 779,826.80, 1,168,865.40 and 443,028.80 is: 664,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,826.80 : 1,168,865.40 = 443,028.80 : x
  2. Step 2: Convert to fraction form
    779,826.80/1,168,865.40 = 443,028.80/x
  3. Step 3: Cross multiply
    779,826.80x = 1,168,865.40 × 443,028.80
  4. Step 4: Simplify right side
    779,826.80x = 517,841,035,523.52
  5. Step 5: Solve for x
    x = 517,841,035,523.52/779,826.80
  6. Step 6: Final answer
    x = 664,046.22

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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.