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Finding the Fourth Proportional to 511,822.80, 766,567.80 and 301,870.80

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Solution

The fourth proportional to 511,822.80, 766,567.80 and 301,870.80 is: 452,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,822.80 : 766,567.80 = 301,870.80 : x
  2. Step 2: Convert to fraction form
    511,822.80/766,567.80 = 301,870.80/x
  3. Step 3: Cross multiply
    511,822.80x = 766,567.80 × 301,870.80
  4. Step 4: Simplify right side
    511,822.80x = 231,404,435,040.24
  5. Step 5: Solve for x
    x = 231,404,435,040.24/511,822.80
  6. Step 6: Final answer
    x = 452,118.26

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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.