Home / 864,327.61-1,192,791.21-477,142.13

Finding the Fourth Proportional to 864,327.61, 1,192,791.21 and 477,142.13

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Solution

The fourth proportional to 864,327.61, 1,192,791.21 and 477,142.13 is: 658,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,327.61 : 1,192,791.21 = 477,142.13 : x
  2. Step 2: Convert to fraction form
    864,327.61/1,192,791.21 = 477,142.13/x
  3. Step 3: Cross multiply
    864,327.61x = 1,192,791.21 × 477,142.13
  4. Step 4: Simplify right side
    864,327.61x = 569,130,938,584.68
  5. Step 5: Solve for x
    x = 569,130,938,584.68/864,327.61
  6. Step 6: Final answer
    x = 658,466.69

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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.