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Finding the Fourth Proportional to 533,503.74, 799,367.12 and 375,400.04

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Solution

The fourth proportional to 533,503.74, 799,367.12 and 375,400.04 is: 562,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,503.74 : 799,367.12 = 375,400.04 : x
  2. Step 2: Convert to fraction form
    533,503.74/799,367.12 = 375,400.04/x
  3. Step 3: Cross multiply
    533,503.74x = 799,367.12 × 375,400.04
  4. Step 4: Simplify right side
    533,503.74x = 300,082,448,822.69
  5. Step 5: Solve for x
    x = 300,082,448,822.69/533,503.74
  6. Step 6: Final answer
    x = 562,474.87

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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.