Home / 819,847.40-1,229,771.10-503,277.80

Finding the Fourth Proportional to 819,847.40, 1,229,771.10 and 503,277.80

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Solution

The fourth proportional to 819,847.40, 1,229,771.10 and 503,277.80 is: 754,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,847.40 : 1,229,771.10 = 503,277.80 : x
  2. Step 2: Convert to fraction form
    819,847.40/1,229,771.10 = 503,277.80/x
  3. Step 3: Cross multiply
    819,847.40x = 1,229,771.10 × 503,277.80
  4. Step 4: Simplify right side
    819,847.40x = 618,916,493,711.58
  5. Step 5: Solve for x
    x = 618,916,493,711.58/819,847.40
  6. Step 6: Final answer
    x = 754,916.70

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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.