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Finding the Fourth Proportional to 469,034, 704,495.68 and 279,864.08

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Solution

The fourth proportional to 469,034, 704,495.68 and 279,864.08 is: 420,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,034 : 704,495.68 = 279,864.08 : x
  2. Step 2: Convert to fraction form
    469,034/704,495.68 = 279,864.08/x
  3. Step 3: Cross multiply
    469,034x = 704,495.68 × 279,864.08
  4. Step 4: Simplify right side
    469,034x = 197,163,035,347.17
  5. Step 5: Solve for x
    x = 197,163,035,347.17/469,034
  6. Step 6: Final answer
    x = 420,359.79

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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.