Home / 800,024.11-1,200,037.30-326,709.45

Finding the Fourth Proportional to 800,024.11, 1,200,037.30 and 326,709.45

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Solution

The fourth proportional to 800,024.11, 1,200,037.30 and 326,709.45 is: 490,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,024.11 : 1,200,037.30 = 326,709.45 : x
  2. Step 2: Convert to fraction form
    800,024.11/1,200,037.30 = 326,709.45/x
  3. Step 3: Cross multiply
    800,024.11x = 1,200,037.30 × 326,709.45
  4. Step 4: Simplify right side
    800,024.11x = 392,063,525,445.71
  5. Step 5: Solve for x
    x = 392,063,525,445.71/800,024.11
  6. Step 6: Final answer
    x = 490,064.64

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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.