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Finding the Fourth Proportional to 563,060.16, 843,773.76 and 310,392

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Solution

The fourth proportional to 563,060.16, 843,773.76 and 310,392 is: 465,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,060.16 : 843,773.76 = 310,392 : x
  2. Step 2: Convert to fraction form
    563,060.16/843,773.76 = 310,392/x
  3. Step 3: Cross multiply
    563,060.16x = 843,773.76 × 310,392
  4. Step 4: Simplify right side
    563,060.16x = 261,900,624,913.92
  5. Step 5: Solve for x
    x = 261,900,624,913.92/563,060.16
  6. Step 6: Final answer
    x = 465,137.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.