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Finding the Fourth Proportional to 534,644.10, 801,715.05 and 310,068.36

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Solution

The fourth proportional to 534,644.10, 801,715.05 and 310,068.36 is: 464,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,644.10 : 801,715.05 = 310,068.36 : x
  2. Step 2: Convert to fraction form
    534,644.10/801,715.05 = 310,068.36/x
  3. Step 3: Cross multiply
    534,644.10x = 801,715.05 × 310,068.36
  4. Step 4: Simplify right side
    534,644.10x = 248,586,470,740.82
  5. Step 5: Solve for x
    x = 248,586,470,740.82/534,644.10
  6. Step 6: Final answer
    x = 464,956.91

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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.