Home / 768,778.07-1,153,357.44-229,031.93

Finding the Fourth Proportional to 768,778.07, 1,153,357.44 and 229,031.93

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Solution

The fourth proportional to 768,778.07, 1,153,357.44 and 229,031.93 is: 343,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,778.07 : 1,153,357.44 = 229,031.93 : x
  2. Step 2: Convert to fraction form
    768,778.07/1,153,357.44 = 229,031.93/x
  3. Step 3: Cross multiply
    768,778.07x = 1,153,357.44 × 229,031.93
  4. Step 4: Simplify right side
    768,778.07x = 264,155,682,487.58
  5. Step 5: Solve for x
    x = 264,155,682,487.58/768,778.07
  6. Step 6: Final answer
    x = 343,604.60

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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.