Home / 752,765.64-1,038,747.54-446,789.76

Finding the Fourth Proportional to 752,765.64, 1,038,747.54 and 446,789.76

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Solution

The fourth proportional to 752,765.64, 1,038,747.54 and 446,789.76 is: 616,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,765.64 : 1,038,747.54 = 446,789.76 : x
  2. Step 2: Convert to fraction form
    752,765.64/1,038,747.54 = 446,789.76/x
  3. Step 3: Cross multiply
    752,765.64x = 1,038,747.54 × 446,789.76
  4. Step 4: Simplify right side
    752,765.64x = 464,101,764,097.19
  5. Step 5: Solve for x
    x = 464,101,764,097.19/752,765.64
  6. Step 6: Final answer
    x = 616,528.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.