Home / 925,807.81-1,388,424.54-326,628.85

Finding the Fourth Proportional to 925,807.81, 1,388,424.54 and 326,628.85

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Solution

The fourth proportional to 925,807.81, 1,388,424.54 and 326,628.85 is: 489,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,807.81 : 1,388,424.54 = 326,628.85 : x
  2. Step 2: Convert to fraction form
    925,807.81/1,388,424.54 = 326,628.85/x
  3. Step 3: Cross multiply
    925,807.81x = 1,388,424.54 × 326,628.85
  4. Step 4: Simplify right side
    925,807.81x = 453,499,503,869.86
  5. Step 5: Solve for x
    x = 453,499,503,869.86/925,807.81
  6. Step 6: Final answer
    x = 489,841.95

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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.