Home / 511,822.20-767,733.30-245,537.40

Finding the Fourth Proportional to 511,822.20, 767,733.30 and 245,537.40

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Solution

The fourth proportional to 511,822.20, 767,733.30 and 245,537.40 is: 368,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,822.20 : 767,733.30 = 245,537.40 : x
  2. Step 2: Convert to fraction form
    511,822.20/767,733.30 = 245,537.40/x
  3. Step 3: Cross multiply
    511,822.20x = 767,733.30 × 245,537.40
  4. Step 4: Simplify right side
    511,822.20x = 188,507,238,375.42
  5. Step 5: Solve for x
    x = 188,507,238,375.42/511,822.20
  6. Step 6: Final answer
    x = 368,306.10

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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.