Home / 830,696.66-1,246,027.09-231,641.86

Finding the Fourth Proportional to 830,696.66, 1,246,027.09 and 231,641.86

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Solution

The fourth proportional to 830,696.66, 1,246,027.09 and 231,641.86 is: 347,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,696.66 : 1,246,027.09 = 231,641.86 : x
  2. Step 2: Convert to fraction form
    830,696.66/1,246,027.09 = 231,641.86/x
  3. Step 3: Cross multiply
    830,696.66x = 1,246,027.09 × 231,641.86
  4. Step 4: Simplify right side
    830,696.66x = 288,632,032,737.99
  5. Step 5: Solve for x
    x = 288,632,032,737.99/830,696.66
  6. Step 6: Final answer
    x = 347,457.80

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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.