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Finding the Fourth Proportional to 564,898.06, 779,597.49 and 310,251.88

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Solution

The fourth proportional to 564,898.06, 779,597.49 and 310,251.88 is: 428,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,898.06 : 779,597.49 = 310,251.88 : x
  2. Step 2: Convert to fraction form
    564,898.06/779,597.49 = 310,251.88/x
  3. Step 3: Cross multiply
    564,898.06x = 779,597.49 × 310,251.88
  4. Step 4: Simplify right side
    564,898.06x = 241,871,586,915.78
  5. Step 5: Solve for x
    x = 241,871,586,915.78/564,898.06
  6. Step 6: Final answer
    x = 428,168.56

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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.