Home / 777,827.93-1,073,021.02-519,768.23

Finding the Fourth Proportional to 777,827.93, 1,073,021.02 and 519,768.23

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Solution

The fourth proportional to 777,827.93, 1,073,021.02 and 519,768.23 is: 717,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,827.93 : 1,073,021.02 = 519,768.23 : x
  2. Step 2: Convert to fraction form
    777,827.93/1,073,021.02 = 519,768.23/x
  3. Step 3: Cross multiply
    777,827.93x = 1,073,021.02 × 519,768.23
  4. Step 4: Simplify right side
    777,827.93x = 557,722,233,635.64
  5. Step 5: Solve for x
    x = 557,722,233,635.64/777,827.93
  6. Step 6: Final answer
    x = 717,025.21

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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.