Home / 744,674.33-1,117,388.76-339,821.68

Finding the Fourth Proportional to 744,674.33, 1,117,388.76 and 339,821.68

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Solution

The fourth proportional to 744,674.33, 1,117,388.76 and 339,821.68 is: 509,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,674.33 : 1,117,388.76 = 339,821.68 : x
  2. Step 2: Convert to fraction form
    744,674.33/1,117,388.76 = 339,821.68/x
  3. Step 3: Cross multiply
    744,674.33x = 1,117,388.76 × 339,821.68
  4. Step 4: Simplify right side
    744,674.33x = 379,712,918,350.27
  5. Step 5: Solve for x
    x = 379,712,918,350.27/744,674.33
  6. Step 6: Final answer
    x = 509,904.67

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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.