Home / 740,900.08-1,111,508.75-221,616.08

Finding the Fourth Proportional to 740,900.08, 1,111,508.75 and 221,616.08

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Solution

The fourth proportional to 740,900.08, 1,111,508.75 and 221,616.08 is: 332,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,900.08 : 1,111,508.75 = 221,616.08 : x
  2. Step 2: Convert to fraction form
    740,900.08/1,111,508.75 = 221,616.08/x
  3. Step 3: Cross multiply
    740,900.08x = 1,111,508.75 × 221,616.08
  4. Step 4: Simplify right side
    740,900.08x = 246,328,212,060.70
  5. Step 5: Solve for x
    x = 246,328,212,060.70/740,900.08
  6. Step 6: Final answer
    x = 332,471.57

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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.