Home / 592,991.28-818,328.40-321,059.36

Finding the Fourth Proportional to 592,991.28, 818,328.40 and 321,059.36

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Solution

The fourth proportional to 592,991.28, 818,328.40 and 321,059.36 is: 443,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,991.28 : 818,328.40 = 321,059.36 : x
  2. Step 2: Convert to fraction form
    592,991.28/818,328.40 = 321,059.36/x
  3. Step 3: Cross multiply
    592,991.28x = 818,328.40 × 321,059.36
  4. Step 4: Simplify right side
    592,991.28x = 262,731,992,373.82
  5. Step 5: Solve for x
    x = 262,731,992,373.82/592,991.28
  6. Step 6: Final answer
    x = 443,062.15

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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.