Home / 592,981.60-818,304.78-321,047.32

Finding the Fourth Proportional to 592,981.60, 818,304.78 and 321,047.32

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Solution

The fourth proportional to 592,981.60, 818,304.78 and 321,047.32 is: 443,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,981.60 : 818,304.78 = 321,047.32 : x
  2. Step 2: Convert to fraction form
    592,981.60/818,304.78 = 321,047.32/x
  3. Step 3: Cross multiply
    592,981.60x = 818,304.78 × 321,047.32
  4. Step 4: Simplify right side
    592,981.60x = 262,714,556,562.19
  5. Step 5: Solve for x
    x = 262,714,556,562.19/592,981.60
  6. Step 6: Final answer
    x = 443,039.98

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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.