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Finding the Fourth Proportional to 534,518.25, 737,647.07 and 305,070.95

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Solution

The fourth proportional to 534,518.25, 737,647.07 and 305,070.95 is: 421,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,518.25 : 737,647.07 = 305,070.95 : x
  2. Step 2: Convert to fraction form
    534,518.25/737,647.07 = 305,070.95/x
  3. Step 3: Cross multiply
    534,518.25x = 737,647.07 × 305,070.95
  4. Step 4: Simplify right side
    534,518.25x = 225,034,687,196.03
  5. Step 5: Solve for x
    x = 225,034,687,196.03/534,518.25
  6. Step 6: Final answer
    x = 421,004.68

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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.