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Finding the Fourth Proportional to 797,277.60, 1,195,916.40 and 788,983.20

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Solution

The fourth proportional to 797,277.60, 1,195,916.40 and 788,983.20 is: 1,183,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,277.60 : 1,195,916.40 = 788,983.20 : x
  2. Step 2: Convert to fraction form
    797,277.60/1,195,916.40 = 788,983.20/x
  3. Step 3: Cross multiply
    797,277.60x = 1,195,916.40 × 788,983.20
  4. Step 4: Simplify right side
    797,277.60x = 943,557,948,204.48
  5. Step 5: Solve for x
    x = 943,557,948,204.48/797,277.60
  6. Step 6: Final answer
    x = 1,183,474.80

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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.