Home / 793,500.12-1,189,732.86-287,965.80

Finding the Fourth Proportional to 793,500.12, 1,189,732.86 and 287,965.80

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Solution

The fourth proportional to 793,500.12, 1,189,732.86 and 287,965.80 is: 431,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,500.12 : 1,189,732.86 = 287,965.80 : x
  2. Step 2: Convert to fraction form
    793,500.12/1,189,732.86 = 287,965.80/x
  3. Step 3: Cross multiply
    793,500.12x = 1,189,732.86 × 287,965.80
  4. Step 4: Simplify right side
    793,500.12x = 342,602,374,816.19
  5. Step 5: Solve for x
    x = 342,602,374,816.19/793,500.12
  6. Step 6: Final answer
    x = 431,760.96

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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.