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Finding the Fourth Proportional to 533,530.05, 799,406.49 and 375,426.30

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Solution

The fourth proportional to 533,530.05, 799,406.49 and 375,426.30 is: 562,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,530.05 : 799,406.49 = 375,426.30 : x
  2. Step 2: Convert to fraction form
    533,530.05/799,406.49 = 375,426.30/x
  3. Step 3: Cross multiply
    533,530.05x = 799,406.49 × 375,426.30
  4. Step 4: Simplify right side
    533,530.05x = 300,118,220,736.69
  5. Step 5: Solve for x
    x = 300,118,220,736.69/533,530.05
  6. Step 6: Final answer
    x = 562,514.18

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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.