Home / 826,460.88-1,239,603.81-265,451.64

Finding the Fourth Proportional to 826,460.88, 1,239,603.81 and 265,451.64

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Solution

The fourth proportional to 826,460.88, 1,239,603.81 and 265,451.64 is: 398,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,460.88 : 1,239,603.81 = 265,451.64 : x
  2. Step 2: Convert to fraction form
    826,460.88/1,239,603.81 = 265,451.64/x
  3. Step 3: Cross multiply
    826,460.88x = 1,239,603.81 × 265,451.64
  4. Step 4: Simplify right side
    826,460.88x = 329,054,864,314.75
  5. Step 5: Solve for x
    x = 329,054,864,314.75/826,460.88
  6. Step 6: Final answer
    x = 398,149.35

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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.