Home / 768,014.63-1,152,021.96-207,049.13

Finding the Fourth Proportional to 768,014.63, 1,152,021.96 and 207,049.13

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Solution

The fourth proportional to 768,014.63, 1,152,021.96 and 207,049.13 is: 310,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,014.63 : 1,152,021.96 = 207,049.13 : x
  2. Step 2: Convert to fraction form
    768,014.63/1,152,021.96 = 207,049.13/x
  3. Step 3: Cross multiply
    768,014.63x = 1,152,021.96 × 207,049.13
  4. Step 4: Simplify right side
    768,014.63x = 238,525,138,798.79
  5. Step 5: Solve for x
    x = 238,525,138,798.79/768,014.63
  6. Step 6: Final answer
    x = 310,573.69

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Similar ratio
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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.