Home / 592,981.59-818,304.67-321,047.28

Finding the Fourth Proportional to 592,981.59, 818,304.67 and 321,047.28

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Solution

The fourth proportional to 592,981.59, 818,304.67 and 321,047.28 is: 443,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,981.59 : 818,304.67 = 321,047.28 : x
  2. Step 2: Convert to fraction form
    592,981.59/818,304.67 = 321,047.28/x
  3. Step 3: Cross multiply
    592,981.59x = 818,304.67 × 321,047.28
  4. Step 4: Simplify right side
    592,981.59x = 262,714,487,712.18
  5. Step 5: Solve for x
    x = 262,714,487,712.18/592,981.59
  6. Step 6: Final answer
    x = 443,039.87

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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.