Home / 747,783.05-1,120,868.78-362,716.55

Finding the Fourth Proportional to 747,783.05, 1,120,868.78 and 362,716.55

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Solution

The fourth proportional to 747,783.05, 1,120,868.78 and 362,716.55 is: 543,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,783.05 : 1,120,868.78 = 362,716.55 : x
  2. Step 2: Convert to fraction form
    747,783.05/1,120,868.78 = 362,716.55/x
  3. Step 3: Cross multiply
    747,783.05x = 1,120,868.78 × 362,716.55
  4. Step 4: Simplify right side
    747,783.05x = 406,557,655,070.73
  5. Step 5: Solve for x
    x = 406,557,655,070.73/747,783.05
  6. Step 6: Final answer
    x = 543,683.97

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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.