Home / 810,612.93-1,118,650.25-443,090.57

Finding the Fourth Proportional to 810,612.93, 1,118,650.25 and 443,090.57

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Solution

The fourth proportional to 810,612.93, 1,118,650.25 and 443,090.57 is: 611,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,612.93 : 1,118,650.25 = 443,090.57 : x
  2. Step 2: Convert to fraction form
    810,612.93/1,118,650.25 = 443,090.57/x
  3. Step 3: Cross multiply
    810,612.93x = 1,118,650.25 × 443,090.57
  4. Step 4: Simplify right side
    810,612.93x = 495,663,372,417.62
  5. Step 5: Solve for x
    x = 495,663,372,417.62/810,612.93
  6. Step 6: Final answer
    x = 611,467.39

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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.