Home / 739,166.80-1,108,426.20-339,674.80

Finding the Fourth Proportional to 739,166.80, 1,108,426.20 and 339,674.80

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Solution

The fourth proportional to 739,166.80, 1,108,426.20 and 339,674.80 is: 509,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,166.80 : 1,108,426.20 = 339,674.80 : x
  2. Step 2: Convert to fraction form
    739,166.80/1,108,426.20 = 339,674.80/x
  3. Step 3: Cross multiply
    739,166.80x = 1,108,426.20 × 339,674.80
  4. Step 4: Simplify right side
    739,166.80x = 376,504,447,799.76
  5. Step 5: Solve for x
    x = 376,504,447,799.76/739,166.80
  6. Step 6: Final answer
    x = 509,363.31

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Double scale
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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.