Home / 815,369.92-1,125,172.56-452,816.80

Finding the Fourth Proportional to 815,369.92, 1,125,172.56 and 452,816.80

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Solution

The fourth proportional to 815,369.92, 1,125,172.56 and 452,816.80 is: 624,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,369.92 : 1,125,172.56 = 452,816.80 : x
  2. Step 2: Convert to fraction form
    815,369.92/1,125,172.56 = 452,816.80/x
  3. Step 3: Cross multiply
    815,369.92x = 1,125,172.56 × 452,816.80
  4. Step 4: Simplify right side
    815,369.92x = 509,497,038,067.01
  5. Step 5: Solve for x
    x = 509,497,038,067.01/815,369.92
  6. Step 6: Final answer
    x = 624,866.12

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1.5x scale

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.