Home / 999,315.90-1,498,455.45-367,904.70

Finding the Fourth Proportional to 999,315.90, 1,498,455.45 and 367,904.70

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Solution

The fourth proportional to 999,315.90, 1,498,455.45 and 367,904.70 is: 551,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,315.90 : 1,498,455.45 = 367,904.70 : x
  2. Step 2: Convert to fraction form
    999,315.90/1,498,455.45 = 367,904.70/x
  3. Step 3: Cross multiply
    999,315.90x = 1,498,455.45 × 367,904.70
  4. Step 4: Simplify right side
    999,315.90x = 551,288,802,795.62
  5. Step 5: Solve for x
    x = 551,288,802,795.62/999,315.90
  6. Step 6: Final answer
    x = 551,666.20

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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.