Home / 803,853.15-1,206,016.56-323,833.92

Finding the Fourth Proportional to 803,853.15, 1,206,016.56 and 323,833.92

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Solution

The fourth proportional to 803,853.15, 1,206,016.56 and 323,833.92 is: 485,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,853.15 : 1,206,016.56 = 323,833.92 : x
  2. Step 2: Convert to fraction form
    803,853.15/1,206,016.56 = 323,833.92/x
  3. Step 3: Cross multiply
    803,853.15x = 1,206,016.56 × 323,833.92
  4. Step 4: Simplify right side
    803,853.15x = 390,549,070,209.72
  5. Step 5: Solve for x
    x = 390,549,070,209.72/803,853.15
  6. Step 6: Final answer
    x = 485,846.29

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1.5x scale

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.