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Finding the Fourth Proportional to 474,694.47, 655,079.36 and 259,848.27

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Solution

The fourth proportional to 474,694.47, 655,079.36 and 259,848.27 is: 358,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,694.47 : 655,079.36 = 259,848.27 : x
  2. Step 2: Convert to fraction form
    474,694.47/655,079.36 = 259,848.27/x
  3. Step 3: Cross multiply
    474,694.47x = 655,079.36 × 259,848.27
  4. Step 4: Simplify right side
    474,694.47x = 170,221,237,109.47
  5. Step 5: Solve for x
    x = 170,221,237,109.47/474,694.47
  6. Step 6: Final answer
    x = 358,591.15

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1.5x scale

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.