Home / 925,627.12-1,388,649.08-326,630.96

Finding the Fourth Proportional to 925,627.12, 1,388,649.08 and 326,630.96

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Solution

The fourth proportional to 925,627.12, 1,388,649.08 and 326,630.96 is: 490,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,627.12 : 1,388,649.08 = 326,630.96 : x
  2. Step 2: Convert to fraction form
    925,627.12/1,388,649.08 = 326,630.96/x
  3. Step 3: Cross multiply
    925,627.12x = 1,388,649.08 × 326,630.96
  4. Step 4: Simplify right side
    925,627.12x = 453,575,782,103.52
  5. Step 5: Solve for x
    x = 453,575,782,103.52/925,627.12
  6. Step 6: Final answer
    x = 490,019.98

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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.