Home / 992,969.88-1,370,257.50-540,262.68

Finding the Fourth Proportional to 992,969.88, 1,370,257.50 and 540,262.68

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Solution

The fourth proportional to 992,969.88, 1,370,257.50 and 540,262.68 is: 745,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,969.88 : 1,370,257.50 = 540,262.68 : x
  2. Step 2: Convert to fraction form
    992,969.88/1,370,257.50 = 540,262.68/x
  3. Step 3: Cross multiply
    992,969.88x = 1,370,257.50 × 540,262.68
  4. Step 4: Simplify right side
    992,969.88x = 740,298,989,240.10
  5. Step 5: Solve for x
    x = 740,298,989,240.10/992,969.88
  6. Step 6: Final answer
    x = 745,540.23

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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.