Home / 744,218.28-1,116,334.31-238,780.31

Finding the Fourth Proportional to 744,218.28, 1,116,334.31 and 238,780.31

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Solution

The fourth proportional to 744,218.28, 1,116,334.31 and 238,780.31 is: 358,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,218.28 : 1,116,334.31 = 238,780.31 : x
  2. Step 2: Convert to fraction form
    744,218.28/1,116,334.31 = 238,780.31/x
  3. Step 3: Cross multiply
    744,218.28x = 1,116,334.31 × 238,780.31
  4. Step 4: Simplify right side
    744,218.28x = 266,558,645,829.86
  5. Step 5: Solve for x
    x = 266,558,645,829.86/744,218.28
  6. Step 6: Final answer
    x = 358,172.67

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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.