Home / 999,219.40-1,498,310.70-367,808.20

Finding the Fourth Proportional to 999,219.40, 1,498,310.70 and 367,808.20

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Solution

The fourth proportional to 999,219.40, 1,498,310.70 and 367,808.20 is: 551,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,219.40 : 1,498,310.70 = 367,808.20 : x
  2. Step 2: Convert to fraction form
    999,219.40/1,498,310.70 = 367,808.20/x
  3. Step 3: Cross multiply
    999,219.40x = 1,498,310.70 × 367,808.20
  4. Step 4: Simplify right side
    999,219.40x = 551,090,961,607.74
  5. Step 5: Solve for x
    x = 551,090,961,607.74/999,219.40
  6. Step 6: Final answer
    x = 551,521.48

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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.