Home / 997,936.40-1,497,123.30-492,739.40

Finding the Fourth Proportional to 997,936.40, 1,497,123.30 and 492,739.40

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Solution

The fourth proportional to 997,936.40, 1,497,123.30 and 492,739.40 is: 739,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,936.40 : 1,497,123.30 = 492,739.40 : x
  2. Step 2: Convert to fraction form
    997,936.40/1,497,123.30 = 492,739.40/x
  3. Step 3: Cross multiply
    997,936.40x = 1,497,123.30 × 492,739.40
  4. Step 4: Simplify right side
    997,936.40x = 737,691,636,568.02
  5. Step 5: Solve for x
    x = 737,691,636,568.02/997,936.40
  6. Step 6: Final answer
    x = 739,217.08

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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.