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Finding the Fourth Proportional to 735,010.80, 1,102,645.80 and 261,970.80

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Solution

The fourth proportional to 735,010.80, 1,102,645.80 and 261,970.80 is: 393,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,010.80 : 1,102,645.80 = 261,970.80 : x
  2. Step 2: Convert to fraction form
    735,010.80/1,102,645.80 = 261,970.80/x
  3. Step 3: Cross multiply
    735,010.80x = 1,102,645.80 × 261,970.80
  4. Step 4: Simplify right side
    735,010.80x = 288,861,002,342.64
  5. Step 5: Solve for x
    x = 288,861,002,342.64/735,010.80
  6. Step 6: Final answer
    x = 393,002.39

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1.5x scale

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.