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Finding the Fourth Proportional to 533,419.49, 736,131.71 and 303,971.85

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Solution

The fourth proportional to 533,419.49, 736,131.71 and 303,971.85 is: 419,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,419.49 : 736,131.71 = 303,971.85 : x
  2. Step 2: Convert to fraction form
    533,419.49/736,131.71 = 303,971.85/x
  3. Step 3: Cross multiply
    533,419.49x = 736,131.71 × 303,971.85
  4. Step 4: Simplify right side
    533,419.49x = 223,763,318,492.29
  5. Step 5: Solve for x
    x = 223,763,318,492.29/533,419.49
  6. Step 6: Final answer
    x = 419,488.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.