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Finding the Fourth Proportional to 534,422, 737,487.80 and 304,975.12

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Solution

The fourth proportional to 534,422, 737,487.80 and 304,975.12 is: 420,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,422 : 737,487.80 = 304,975.12 : x
  2. Step 2: Convert to fraction form
    534,422/737,487.80 = 304,975.12/x
  3. Step 3: Cross multiply
    534,422x = 737,487.80 × 304,975.12
  4. Step 4: Simplify right side
    534,422x = 224,915,430,303.54
  5. Step 5: Solve for x
    x = 224,915,430,303.54/534,422
  6. Step 6: Final answer
    x = 420,857.36

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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.