Home / 999,020.20-1,498,530.30-367,803.40

Finding the Fourth Proportional to 999,020.20, 1,498,530.30 and 367,803.40

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Solution

The fourth proportional to 999,020.20, 1,498,530.30 and 367,803.40 is: 551,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,020.20 : 1,498,530.30 = 367,803.40 : x
  2. Step 2: Convert to fraction form
    999,020.20/1,498,530.30 = 367,803.40/x
  3. Step 3: Cross multiply
    999,020.20x = 1,498,530.30 × 367,803.40
  4. Step 4: Simplify right side
    999,020.20x = 551,164,539,343.02
  5. Step 5: Solve for x
    x = 551,164,539,343.02/999,020.20
  6. Step 6: Final answer
    x = 551,705.10

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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.