Home / 785,078.60-1,177,704.30-286,550.60

Finding the Fourth Proportional to 785,078.60, 1,177,704.30 and 286,550.60

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Solution

The fourth proportional to 785,078.60, 1,177,704.30 and 286,550.60 is: 429,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,078.60 : 1,177,704.30 = 286,550.60 : x
  2. Step 2: Convert to fraction form
    785,078.60/1,177,704.30 = 286,550.60/x
  3. Step 3: Cross multiply
    785,078.60x = 1,177,704.30 × 286,550.60
  4. Step 4: Simplify right side
    785,078.60x = 337,471,873,787.58
  5. Step 5: Solve for x
    x = 337,471,873,787.58/785,078.60
  6. Step 6: Final answer
    x = 429,857.44

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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.