Home / 564,934.13-779,419.35-319,885.51

Finding the Fourth Proportional to 564,934.13, 779,419.35 and 319,885.51

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Solution

The fourth proportional to 564,934.13, 779,419.35 and 319,885.51 is: 441,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,934.13 : 779,419.35 = 319,885.51 : x
  2. Step 2: Convert to fraction form
    564,934.13/779,419.35 = 319,885.51/x
  3. Step 3: Cross multiply
    564,934.13x = 779,419.35 × 319,885.51
  4. Step 4: Simplify right side
    564,934.13x = 249,324,954,679.19
  5. Step 5: Solve for x
    x = 249,324,954,679.19/564,934.13
  6. Step 6: Final answer
    x = 441,334.56

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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.