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Finding the Fourth Proportional to 564,844.50, 779,554.53 and 326,380.50

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Solution

The fourth proportional to 564,844.50, 779,554.53 and 326,380.50 is: 450,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,844.50 : 779,554.53 = 326,380.50 : x
  2. Step 2: Convert to fraction form
    564,844.50/779,554.53 = 326,380.50/x
  3. Step 3: Cross multiply
    564,844.50x = 779,554.53 × 326,380.50
  4. Step 4: Simplify right side
    564,844.50x = 254,431,397,278.67
  5. Step 5: Solve for x
    x = 254,431,397,278.67/564,844.50
  6. Step 6: Final answer
    x = 450,445.03

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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.