Home / 815,583.26-1,223,880.09-474,187.36

Finding the Fourth Proportional to 815,583.26, 1,223,880.09 and 474,187.36

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Solution

The fourth proportional to 815,583.26, 1,223,880.09 and 474,187.36 is: 711,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,583.26 : 1,223,880.09 = 474,187.36 : x
  2. Step 2: Convert to fraction form
    815,583.26/1,223,880.09 = 474,187.36/x
  3. Step 3: Cross multiply
    815,583.26x = 1,223,880.09 × 474,187.36
  4. Step 4: Simplify right side
    815,583.26x = 580,348,468,833.66
  5. Step 5: Solve for x
    x = 580,348,468,833.66/815,583.26
  6. Step 6: Final answer
    x = 711,574.77

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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.