Home / 847,575.45-1,271,355.42-341,778.24

Finding the Fourth Proportional to 847,575.45, 1,271,355.42 and 341,778.24

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Solution

The fourth proportional to 847,575.45, 1,271,355.42 and 341,778.24 is: 512,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,575.45 : 1,271,355.42 = 341,778.24 : x
  2. Step 2: Convert to fraction form
    847,575.45/1,271,355.42 = 341,778.24/x
  3. Step 3: Cross multiply
    847,575.45x = 1,271,355.42 × 341,778.24
  4. Step 4: Simplify right side
    847,575.45x = 434,521,617,862.06
  5. Step 5: Solve for x
    x = 434,521,617,862.06/847,575.45
  6. Step 6: Final answer
    x = 512,664.23

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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.