Home / 810,827.08-1,118,941.20-443,305.54

Finding the Fourth Proportional to 810,827.08, 1,118,941.20 and 443,305.54

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Solution

The fourth proportional to 810,827.08, 1,118,941.20 and 443,305.54 is: 611,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,827.08 : 1,118,941.20 = 443,305.54 : x
  2. Step 2: Convert to fraction form
    810,827.08/1,118,941.20 = 443,305.54/x
  3. Step 3: Cross multiply
    810,827.08x = 1,118,941.20 × 443,305.54
  4. Step 4: Simplify right side
    810,827.08x = 496,032,832,894.25
  5. Step 5: Solve for x
    x = 496,032,832,894.25/810,827.08
  6. Step 6: Final answer
    x = 611,761.55

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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.