Home / 810,629.33-1,118,672.85-443,106.96

Finding the Fourth Proportional to 810,629.33, 1,118,672.85 and 443,106.96

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Solution

The fourth proportional to 810,629.33, 1,118,672.85 and 443,106.96 is: 611,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,629.33 : 1,118,672.85 = 443,106.96 : x
  2. Step 2: Convert to fraction form
    810,629.33/1,118,672.85 = 443,106.96/x
  3. Step 3: Cross multiply
    810,629.33x = 1,118,672.85 × 443,106.96
  4. Step 4: Simplify right side
    810,629.33x = 495,691,725,798.04
  5. Step 5: Solve for x
    x = 495,691,725,798.04/810,629.33
  6. Step 6: Final answer
    x = 611,490.00

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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.