Home / 564,933.75-779,418.88-319,885.02

Finding the Fourth Proportional to 564,933.75, 779,418.88 and 319,885.02

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Solution

The fourth proportional to 564,933.75, 779,418.88 and 319,885.02 is: 441,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,933.75 : 779,418.88 = 319,885.02 : x
  2. Step 2: Convert to fraction form
    564,933.75/779,418.88 = 319,885.02/x
  3. Step 3: Cross multiply
    564,933.75x = 779,418.88 × 319,885.02
  4. Step 4: Simplify right side
    564,933.75x = 249,324,424,017.18
  5. Step 5: Solve for x
    x = 249,324,424,017.18/564,933.75
  6. Step 6: Final answer
    x = 441,333.92

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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.