Home / 828,791.55-1,143,050.00-488,931.75

Finding the Fourth Proportional to 828,791.55, 1,143,050.00 and 488,931.75

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Solution

The fourth proportional to 828,791.55, 1,143,050.00 and 488,931.75 is: 674,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,791.55 : 1,143,050.00 = 488,931.75 : x
  2. Step 2: Convert to fraction form
    828,791.55/1,143,050.00 = 488,931.75/x
  3. Step 3: Cross multiply
    828,791.55x = 1,143,050.00 × 488,931.75
  4. Step 4: Simplify right side
    828,791.55x = 558,873,434,392.84
  5. Step 5: Solve for x
    x = 558,873,434,392.84/828,791.55
  6. Step 6: Final answer
    x = 674,323.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.