Home / 740,922.66-1,111,255.20-208,317.29

Finding the Fourth Proportional to 740,922.66, 1,111,255.20 and 208,317.29

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Solution

The fourth proportional to 740,922.66, 1,111,255.20 and 208,317.29 is: 312,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,922.66 : 1,111,255.20 = 208,317.29 : x
  2. Step 2: Convert to fraction form
    740,922.66/1,111,255.20 = 208,317.29/x
  3. Step 3: Cross multiply
    740,922.66x = 1,111,255.20 × 208,317.29
  4. Step 4: Simplify right side
    740,922.66x = 231,493,666,206.13
  5. Step 5: Solve for x
    x = 231,493,666,206.13/740,922.66
  6. Step 6: Final answer
    x = 312,439.72

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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.