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Finding the Fourth Proportional to 579,751.98, 800,065.98 and 350,277.36

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Solution

The fourth proportional to 579,751.98, 800,065.98 and 350,277.36 is: 483,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,751.98 : 800,065.98 = 350,277.36 : x
  2. Step 2: Convert to fraction form
    579,751.98/800,065.98 = 350,277.36/x
  3. Step 3: Cross multiply
    579,751.98x = 800,065.98 × 350,277.36
  4. Step 4: Simplify right side
    579,751.98x = 280,244,999,300.21
  5. Step 5: Solve for x
    x = 280,244,999,300.21/579,751.98
  6. Step 6: Final answer
    x = 483,387.74

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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.