Home / 937,347.70-1,406,021.55-263,401.78

Finding the Fourth Proportional to 937,347.70, 1,406,021.55 and 263,401.78

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Solution

The fourth proportional to 937,347.70, 1,406,021.55 and 263,401.78 is: 395,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,347.70 : 1,406,021.55 = 263,401.78 : x
  2. Step 2: Convert to fraction form
    937,347.70/1,406,021.55 = 263,401.78/x
  3. Step 3: Cross multiply
    937,347.70x = 1,406,021.55 × 263,401.78
  4. Step 4: Simplify right side
    937,347.70x = 370,348,578,988.36
  5. Step 5: Solve for x
    x = 370,348,578,988.36/937,347.70
  6. Step 6: Final answer
    x = 395,102.67

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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.