Home / 817,525.13-1,226,331.43-256,603.37

Finding the Fourth Proportional to 817,525.13, 1,226,331.43 and 256,603.37

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Solution

The fourth proportional to 817,525.13, 1,226,331.43 and 256,603.37 is: 384,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,525.13 : 1,226,331.43 = 256,603.37 : x
  2. Step 2: Convert to fraction form
    817,525.13/1,226,331.43 = 256,603.37/x
  3. Step 3: Cross multiply
    817,525.13x = 1,226,331.43 × 256,603.37
  4. Step 4: Simplify right side
    817,525.13x = 314,680,770,901.75
  5. Step 5: Solve for x
    x = 314,680,770,901.75/817,525.13
  6. Step 6: Final answer
    x = 384,918.78

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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.