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Finding the Fourth Proportional to 540,002.15, 810,003.23 and 372,040.55

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Solution

The fourth proportional to 540,002.15, 810,003.23 and 372,040.55 is: 558,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,002.15 : 810,003.23 = 372,040.55 : x
  2. Step 2: Convert to fraction form
    540,002.15/810,003.23 = 372,040.55/x
  3. Step 3: Cross multiply
    540,002.15x = 810,003.23 × 372,040.55
  4. Step 4: Simplify right side
    540,002.15x = 301,354,045,330.77
  5. Step 5: Solve for x
    x = 301,354,045,330.77/540,002.15
  6. Step 6: Final answer
    x = 558,060.83

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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.