Home / 937,346.70-1,406,020.05-263,400.78

Finding the Fourth Proportional to 937,346.70, 1,406,020.05 and 263,400.78

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Solution

The fourth proportional to 937,346.70, 1,406,020.05 and 263,400.78 is: 395,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,346.70 : 1,406,020.05 = 263,400.78 : x
  2. Step 2: Convert to fraction form
    937,346.70/1,406,020.05 = 263,400.78/x
  3. Step 3: Cross multiply
    937,346.70x = 1,406,020.05 × 263,400.78
  4. Step 4: Simplify right side
    937,346.70x = 370,346,777,865.64
  5. Step 5: Solve for x
    x = 370,346,777,865.64/937,346.70
  6. Step 6: Final answer
    x = 395,101.17

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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.