Home / 789,038.40-1,183,557.60-663,067.20

Finding the Fourth Proportional to 789,038.40, 1,183,557.60 and 663,067.20

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Solution

The fourth proportional to 789,038.40, 1,183,557.60 and 663,067.20 is: 994,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,038.40 : 1,183,557.60 = 663,067.20 : x
  2. Step 2: Convert to fraction form
    789,038.40/1,183,557.60 = 663,067.20/x
  3. Step 3: Cross multiply
    789,038.40x = 1,183,557.60 × 663,067.20
  4. Step 4: Simplify right side
    789,038.40x = 784,778,223,870.72
  5. Step 5: Solve for x
    x = 784,778,223,870.72/789,038.40
  6. Step 6: Final answer
    x = 994,600.80

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Similar ratio
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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.