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Finding the Fourth Proportional to 564,867.84, 779,516.66 and 310,219.03

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Solution

The fourth proportional to 564,867.84, 779,516.66 and 310,219.03 is: 428,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,867.84 : 779,516.66 = 310,219.03 : x
  2. Step 2: Convert to fraction form
    564,867.84/779,516.66 = 310,219.03/x
  3. Step 3: Cross multiply
    564,867.84x = 779,516.66 × 310,219.03
  4. Step 4: Simplify right side
    564,867.84x = 241,820,903,883.98
  5. Step 5: Solve for x
    x = 241,820,903,883.98/564,867.84
  6. Step 6: Final answer
    x = 428,101.73

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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.