Home / 847,575.36-1,271,355.28-341,778.15

Finding the Fourth Proportional to 847,575.36, 1,271,355.28 and 341,778.15

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Solution

The fourth proportional to 847,575.36, 1,271,355.28 and 341,778.15 is: 512,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,575.36 : 1,271,355.28 = 341,778.15 : x
  2. Step 2: Convert to fraction form
    847,575.36/1,271,355.28 = 341,778.15/x
  3. Step 3: Cross multiply
    847,575.36x = 1,271,355.28 × 341,778.15
  4. Step 4: Simplify right side
    847,575.36x = 434,521,454,736.69
  5. Step 5: Solve for x
    x = 434,521,454,736.69/847,575.36
  6. Step 6: Final answer
    x = 512,664.09

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1.5x scale

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.