Home / 925,904.56-1,388,967.96-326,742

Finding the Fourth Proportional to 925,904.56, 1,388,967.96 and 326,742

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Solution

The fourth proportional to 925,904.56, 1,388,967.96 and 326,742 is: 490,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,904.56 : 1,388,967.96 = 326,742 : x
  2. Step 2: Convert to fraction form
    925,904.56/1,388,967.96 = 326,742/x
  3. Step 3: Cross multiply
    925,904.56x = 1,388,967.96 × 326,742
  4. Step 4: Simplify right side
    925,904.56x = 453,834,169,186.32
  5. Step 5: Solve for x
    x = 453,834,169,186.32/925,904.56
  6. Step 6: Final answer
    x = 490,152.21

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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.