Home / 817,729.14-1,226,754.18-285,267.54

Finding the Fourth Proportional to 817,729.14, 1,226,754.18 and 285,267.54

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Solution

The fourth proportional to 817,729.14, 1,226,754.18 and 285,267.54 is: 427,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,729.14 : 1,226,754.18 = 285,267.54 : x
  2. Step 2: Convert to fraction form
    817,729.14/1,226,754.18 = 285,267.54/x
  3. Step 3: Cross multiply
    817,729.14x = 1,226,754.18 × 285,267.54
  4. Step 4: Simplify right side
    817,729.14x = 349,953,147,113.32
  5. Step 5: Solve for x
    x = 349,953,147,113.32/817,729.14
  6. Step 6: Final answer
    x = 427,957.29

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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.