Home / 992,370.48-1,489,048.08-393,318.39

Finding the Fourth Proportional to 992,370.48, 1,489,048.08 and 393,318.39

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Solution

The fourth proportional to 992,370.48, 1,489,048.08 and 393,318.39 is: 590,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,370.48 : 1,489,048.08 = 393,318.39 : x
  2. Step 2: Convert to fraction form
    992,370.48/1,489,048.08 = 393,318.39/x
  3. Step 3: Cross multiply
    992,370.48x = 1,489,048.08 × 393,318.39
  4. Step 4: Simplify right side
    992,370.48x = 585,669,993,458.19
  5. Step 5: Solve for x
    x = 585,669,993,458.19/992,370.48
  6. Step 6: Final answer
    x = 590,172.73

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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.