Home / 942,821.88-1,301,069.26-513,092.78

Finding the Fourth Proportional to 942,821.88, 1,301,069.26 and 513,092.78

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Solution

The fourth proportional to 942,821.88, 1,301,069.26 and 513,092.78 is: 708,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,821.88 : 1,301,069.26 = 513,092.78 : x
  2. Step 2: Convert to fraction form
    942,821.88/1,301,069.26 = 513,092.78/x
  3. Step 3: Cross multiply
    942,821.88x = 1,301,069.26 × 513,092.78
  4. Step 4: Simplify right side
    942,821.88x = 667,569,243,585.94
  5. Step 5: Solve for x
    x = 667,569,243,585.94/942,821.88
  6. Step 6: Final answer
    x = 708,054.47

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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.