Home / 831,994.03-1,247,994.69-263,377.91

Finding the Fourth Proportional to 831,994.03, 1,247,994.69 and 263,377.91

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Solution

The fourth proportional to 831,994.03, 1,247,994.69 and 263,377.91 is: 395,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,994.03 : 1,247,994.69 = 263,377.91 : x
  2. Step 2: Convert to fraction form
    831,994.03/1,247,994.69 = 263,377.91/x
  3. Step 3: Cross multiply
    831,994.03x = 1,247,994.69 × 263,377.91
  4. Step 4: Simplify right side
    831,994.03x = 328,694,236,263.29
  5. Step 5: Solve for x
    x = 328,694,236,263.29/831,994.03
  6. Step 6: Final answer
    x = 395,068.02

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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.