Home / 744,765.46-1,116,273.39-344,560.87

Finding the Fourth Proportional to 744,765.46, 1,116,273.39 and 344,560.87

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Solution

The fourth proportional to 744,765.46, 1,116,273.39 and 344,560.87 is: 516,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,765.46 : 1,116,273.39 = 344,560.87 : x
  2. Step 2: Convert to fraction form
    744,765.46/1,116,273.39 = 344,560.87/x
  3. Step 3: Cross multiply
    744,765.46x = 1,116,273.39 × 344,560.87
  4. Step 4: Simplify right side
    744,765.46x = 384,624,130,416.25
  5. Step 5: Solve for x
    x = 384,624,130,416.25/744,765.46
  6. Step 6: Final answer
    x = 516,436.58

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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.