Home / 805,247.25-1,111,262.48-437,749.11

Finding the Fourth Proportional to 805,247.25, 1,111,262.48 and 437,749.11

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Solution

The fourth proportional to 805,247.25, 1,111,262.48 and 437,749.11 is: 604,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,247.25 : 1,111,262.48 = 437,749.11 : x
  2. Step 2: Convert to fraction form
    805,247.25/1,111,262.48 = 437,749.11/x
  3. Step 3: Cross multiply
    805,247.25x = 1,111,262.48 × 437,749.11
  4. Step 4: Simplify right side
    805,247.25x = 486,454,159,407.65
  5. Step 5: Solve for x
    x = 486,454,159,407.65/805,247.25
  6. Step 6: Final answer
    x = 604,105.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.