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Finding the Fourth Proportional to 564,846, 779,556.60 and 326,382

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Solution

The fourth proportional to 564,846, 779,556.60 and 326,382 is: 450,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,846 : 779,556.60 = 326,382 : x
  2. Step 2: Convert to fraction form
    564,846/779,556.60 = 326,382/x
  3. Step 3: Cross multiply
    564,846x = 779,556.60 × 326,382
  4. Step 4: Simplify right side
    564,846x = 254,433,242,221.20
  5. Step 5: Solve for x
    x = 254,433,242,221.20/564,846
  6. Step 6: Final answer
    x = 450,447.10

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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.