Home / 1,478,193.88-2,217,290.78-356,262.88

Finding the Fourth Proportional to 1,478,193.88, 2,217,290.78 and 356,262.88

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Solution

The fourth proportional to 1,478,193.88, 2,217,290.78 and 356,262.88 is: 534,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,193.88 : 2,217,290.78 = 356,262.88 : x
  2. Step 2: Convert to fraction form
    1,478,193.88/2,217,290.78 = 356,262.88/x
  3. Step 3: Cross multiply
    1,478,193.88x = 2,217,290.78 × 356,262.88
  4. Step 4: Simplify right side
    1,478,193.88x = 789,938,399,080.25
  5. Step 5: Solve for x
    x = 789,938,399,080.25/1,478,193.88
  6. Step 6: Final answer
    x = 534,394.31

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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.