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Finding the Fourth Proportional to 622,094.80, 931,759.80 and 511,502.80

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Solution

The fourth proportional to 622,094.80, 931,759.80 and 511,502.80 is: 766,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,094.80 : 931,759.80 = 511,502.80 : x
  2. Step 2: Convert to fraction form
    622,094.80/931,759.80 = 511,502.80/x
  3. Step 3: Cross multiply
    622,094.80x = 931,759.80 × 511,502.80
  4. Step 4: Simplify right side
    622,094.80x = 476,597,746,627.44
  5. Step 5: Solve for x
    x = 476,597,746,627.44/622,094.80
  6. Step 6: Final answer
    x = 766,117.55

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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.