Home / 724,813.60-1,085,146.80-444,877.60

Finding the Fourth Proportional to 724,813.60, 1,085,146.80 and 444,877.60

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Solution

The fourth proportional to 724,813.60, 1,085,146.80 and 444,877.60 is: 666,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,813.60 : 1,085,146.80 = 444,877.60 : x
  2. Step 2: Convert to fraction form
    724,813.60/1,085,146.80 = 444,877.60/x
  3. Step 3: Cross multiply
    724,813.60x = 1,085,146.80 × 444,877.60
  4. Step 4: Simplify right side
    724,813.60x = 482,757,504,031.68
  5. Step 5: Solve for x
    x = 482,757,504,031.68/724,813.60
  6. Step 6: Final answer
    x = 666,043.66

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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.