Home / 693,760.11-1,040,752.45-213,875.71

Finding the Fourth Proportional to 693,760.11, 1,040,752.45 and 213,875.71

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Solution

The fourth proportional to 693,760.11, 1,040,752.45 and 213,875.71 is: 320,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,760.11 : 1,040,752.45 = 213,875.71 : x
  2. Step 2: Convert to fraction form
    693,760.11/1,040,752.45 = 213,875.71/x
  3. Step 3: Cross multiply
    693,760.11x = 1,040,752.45 × 213,875.71
  4. Step 4: Simplify right side
    693,760.11x = 222,591,670,746.28
  5. Step 5: Solve for x
    x = 222,591,670,746.28/693,760.11
  6. Step 6: Final answer
    x = 320,848.18

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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.