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Finding the Fourth Proportional to 549,571.72, 824,373.81 and 469,102.34

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Solution

The fourth proportional to 549,571.72, 824,373.81 and 469,102.34 is: 703,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,571.72 : 824,373.81 = 469,102.34 : x
  2. Step 2: Convert to fraction form
    549,571.72/824,373.81 = 469,102.34/x
  3. Step 3: Cross multiply
    549,571.72x = 824,373.81 × 469,102.34
  4. Step 4: Simplify right side
    549,571.72x = 386,715,679,183.85
  5. Step 5: Solve for x
    x = 386,715,679,183.85/549,571.72
  6. Step 6: Final answer
    x = 703,667.36

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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.