Home / 773,125.20-1,159,687.80-395,211.60

Finding the Fourth Proportional to 773,125.20, 1,159,687.80 and 395,211.60

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Solution

The fourth proportional to 773,125.20, 1,159,687.80 and 395,211.60 is: 592,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,125.20 : 1,159,687.80 = 395,211.60 : x
  2. Step 2: Convert to fraction form
    773,125.20/1,159,687.80 = 395,211.60/x
  3. Step 3: Cross multiply
    773,125.20x = 1,159,687.80 × 395,211.60
  4. Step 4: Simplify right side
    773,125.20x = 458,322,070,938.48
  5. Step 5: Solve for x
    x = 458,322,070,938.48/773,125.20
  6. Step 6: Final answer
    x = 592,817.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.