Home / 999,307.40-1,498,442.70-367,896.20

Finding the Fourth Proportional to 999,307.40, 1,498,442.70 and 367,896.20

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Solution

The fourth proportional to 999,307.40, 1,498,442.70 and 367,896.20 is: 551,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,307.40 : 1,498,442.70 = 367,896.20 : x
  2. Step 2: Convert to fraction form
    999,307.40/1,498,442.70 = 367,896.20/x
  3. Step 3: Cross multiply
    999,307.40x = 1,498,442.70 × 367,896.20
  4. Step 4: Simplify right side
    999,307.40x = 551,271,375,247.74
  5. Step 5: Solve for x
    x = 551,271,375,247.74/999,307.40
  6. Step 6: Final answer
    x = 551,653.45

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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.