Home / 891,111.80-1,336,746.28-251,421.12

Finding the Fourth Proportional to 891,111.80, 1,336,746.28 and 251,421.12

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Solution

The fourth proportional to 891,111.80, 1,336,746.28 and 251,421.12 is: 377,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,111.80 : 1,336,746.28 = 251,421.12 : x
  2. Step 2: Convert to fraction form
    891,111.80/1,336,746.28 = 251,421.12/x
  3. Step 3: Cross multiply
    891,111.80x = 1,336,746.28 × 251,421.12
  4. Step 4: Simplify right side
    891,111.80x = 336,086,246,873.43
  5. Step 5: Solve for x
    x = 336,086,246,873.43/891,111.80
  6. Step 6: Final answer
    x = 377,153.85

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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.