Home / 847,145.12-1,270,435.77-341,575.52

Finding the Fourth Proportional to 847,145.12, 1,270,435.77 and 341,575.52

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Solution

The fourth proportional to 847,145.12, 1,270,435.77 and 341,575.52 is: 512,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,145.12 : 1,270,435.77 = 341,575.52 : x
  2. Step 2: Convert to fraction form
    847,145.12/1,270,435.77 = 341,575.52/x
  3. Step 3: Cross multiply
    847,145.12x = 1,270,435.77 × 341,575.52
  4. Step 4: Simplify right side
    847,145.12x = 433,949,752,412.17
  5. Step 5: Solve for x
    x = 433,949,752,412.17/847,145.12
  6. Step 6: Final answer
    x = 512,249.61

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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.