Home / 756,623.72-1,135,269.86-396,708.52

Finding the Fourth Proportional to 756,623.72, 1,135,269.86 and 396,708.52

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Solution

The fourth proportional to 756,623.72, 1,135,269.86 and 396,708.52 is: 595,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,623.72 : 1,135,269.86 = 396,708.52 : x
  2. Step 2: Convert to fraction form
    756,623.72/1,135,269.86 = 396,708.52/x
  3. Step 3: Cross multiply
    756,623.72x = 1,135,269.86 × 396,708.52
  4. Step 4: Simplify right side
    756,623.72x = 450,371,225,961.21
  5. Step 5: Solve for x
    x = 450,371,225,961.21/756,623.72
  6. Step 6: Final answer
    x = 595,238.05

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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.