Home / 764,020-1,146,556.50-265,384

Finding the Fourth Proportional to 764,020, 1,146,556.50 and 265,384

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Solution

The fourth proportional to 764,020, 1,146,556.50 and 265,384 is: 398,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,020 : 1,146,556.50 = 265,384 : x
  2. Step 2: Convert to fraction form
    764,020/1,146,556.50 = 265,384/x
  3. Step 3: Cross multiply
    764,020x = 1,146,556.50 × 265,384
  4. Step 4: Simplify right side
    764,020x = 304,277,750,196
  5. Step 5: Solve for x
    x = 304,277,750,196/764,020
  6. Step 6: Final answer
    x = 398,258.88

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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.