Home / 999,218.40-1,498,309.20-367,807.20

Finding the Fourth Proportional to 999,218.40, 1,498,309.20 and 367,807.20

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Solution

The fourth proportional to 999,218.40, 1,498,309.20 and 367,807.20 is: 551,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,218.40 : 1,498,309.20 = 367,807.20 : x
  2. Step 2: Convert to fraction form
    999,218.40/1,498,309.20 = 367,807.20/x
  3. Step 3: Cross multiply
    999,218.40x = 1,498,309.20 × 367,807.20
  4. Step 4: Simplify right side
    999,218.40x = 551,088,911,586.24
  5. Step 5: Solve for x
    x = 551,088,911,586.24/999,218.40
  6. Step 6: Final answer
    x = 551,519.98

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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.