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Finding the Fourth Proportional to 833,691.30, 1,150,495.02 and 451,717.80

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Solution

The fourth proportional to 833,691.30, 1,150,495.02 and 451,717.80 is: 623,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,691.30 : 1,150,495.02 = 451,717.80 : x
  2. Step 2: Convert to fraction form
    833,691.30/1,150,495.02 = 451,717.80/x
  3. Step 3: Cross multiply
    833,691.30x = 1,150,495.02 × 451,717.80
  4. Step 4: Simplify right side
    833,691.30x = 519,699,079,345.36
  5. Step 5: Solve for x
    x = 519,699,079,345.36/833,691.30
  6. Step 6: Final answer
    x = 623,371.12

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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.