Home / 814,815.20-1,222,222.80-604,863.20

Finding the Fourth Proportional to 814,815.20, 1,222,222.80 and 604,863.20

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Solution

The fourth proportional to 814,815.20, 1,222,222.80 and 604,863.20 is: 907,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,815.20 : 1,222,222.80 = 604,863.20 : x
  2. Step 2: Convert to fraction form
    814,815.20/1,222,222.80 = 604,863.20/x
  3. Step 3: Cross multiply
    814,815.20x = 1,222,222.80 × 604,863.20
  4. Step 4: Simplify right side
    814,815.20x = 739,277,593,920.96
  5. Step 5: Solve for x
    x = 739,277,593,920.96/814,815.20
  6. Step 6: Final answer
    x = 907,294.80

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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.