Home / 447,966.08-618,148.35-275,856.47

Finding the Fourth Proportional to 447,966.08, 618,148.35 and 275,856.47

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Solution

The fourth proportional to 447,966.08, 618,148.35 and 275,856.47 is: 380,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,966.08 : 618,148.35 = 275,856.47 : x
  2. Step 2: Convert to fraction form
    447,966.08/618,148.35 = 275,856.47/x
  3. Step 3: Cross multiply
    447,966.08x = 618,148.35 × 275,856.47
  4. Step 4: Simplify right side
    447,966.08x = 170,520,218,676.58
  5. Step 5: Solve for x
    x = 170,520,218,676.58/447,966.08
  6. Step 6: Final answer
    x = 380,654.31

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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.