Home / 992,364.48-1,489,039.07-393,312.38

Finding the Fourth Proportional to 992,364.48, 1,489,039.07 and 393,312.38

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Solution

The fourth proportional to 992,364.48, 1,489,039.07 and 393,312.38 is: 590,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,364.48 : 1,489,039.07 = 393,312.38 : x
  2. Step 2: Convert to fraction form
    992,364.48/1,489,039.07 = 393,312.38/x
  3. Step 3: Cross multiply
    992,364.48x = 1,489,039.07 × 393,312.38
  4. Step 4: Simplify right side
    992,364.48x = 585,657,491,122.93
  5. Step 5: Solve for x
    x = 585,657,491,122.93/992,364.48
  6. Step 6: Final answer
    x = 590,163.70

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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.