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Finding the Fourth Proportional to 417,682.36, 625,463.72 and 350,036.56

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Solution

The fourth proportional to 417,682.36, 625,463.72 and 350,036.56 is: 524,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,682.36 : 625,463.72 = 350,036.56 : x
  2. Step 2: Convert to fraction form
    417,682.36/625,463.72 = 350,036.56/x
  3. Step 3: Cross multiply
    417,682.36x = 625,463.72 × 350,036.56
  4. Step 4: Simplify right side
    417,682.36x = 218,935,168,953.60
  5. Step 5: Solve for x
    x = 218,935,168,953.60/417,682.36
  6. Step 6: Final answer
    x = 524,166.66

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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.