Home / 945,994.34-1,418,147.58-346,815.61

Finding the Fourth Proportional to 945,994.34, 1,418,147.58 and 346,815.61

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Solution

The fourth proportional to 945,994.34, 1,418,147.58 and 346,815.61 is: 519,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,994.34 : 1,418,147.58 = 346,815.61 : x
  2. Step 2: Convert to fraction form
    945,994.34/1,418,147.58 = 346,815.61/x
  3. Step 3: Cross multiply
    945,994.34x = 1,418,147.58 × 346,815.61
  4. Step 4: Simplify right side
    945,994.34x = 491,835,718,027.72
  5. Step 5: Solve for x
    x = 491,835,718,027.72/945,994.34
  6. Step 6: Final answer
    x = 519,914.02

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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.