Home / 800,025.15-1,200,038.89-326,710.51

Finding the Fourth Proportional to 800,025.15, 1,200,038.89 and 326,710.51

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Solution

The fourth proportional to 800,025.15, 1,200,038.89 and 326,710.51 is: 490,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,025.15 : 1,200,038.89 = 326,710.51 : x
  2. Step 2: Convert to fraction form
    800,025.15/1,200,038.89 = 326,710.51/x
  3. Step 3: Cross multiply
    800,025.15x = 1,200,038.89 × 326,710.51
  4. Step 4: Simplify right side
    800,025.15x = 392,065,310,137.99
  5. Step 5: Solve for x
    x = 392,065,310,137.99/800,025.15
  6. Step 6: Final answer
    x = 490,066.23

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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.