Home / 997,940.40-1,497,129.30-492,743.40

Finding the Fourth Proportional to 997,940.40, 1,497,129.30 and 492,743.40

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Solution

The fourth proportional to 997,940.40, 1,497,129.30 and 492,743.40 is: 739,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,940.40 : 1,497,129.30 = 492,743.40 : x
  2. Step 2: Convert to fraction form
    997,940.40/1,497,129.30 = 492,743.40/x
  3. Step 3: Cross multiply
    997,940.40x = 1,497,129.30 × 492,743.40
  4. Step 4: Simplify right side
    997,940.40x = 737,700,581,521.62
  5. Step 5: Solve for x
    x = 737,700,581,521.62/997,940.40
  6. Step 6: Final answer
    x = 739,223.09

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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.