Home / 997,961.40-1,497,160.80-492,764.40

Finding the Fourth Proportional to 997,961.40, 1,497,160.80 and 492,764.40

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Solution

The fourth proportional to 997,961.40, 1,497,160.80 and 492,764.40 is: 739,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,961.40 : 1,497,160.80 = 492,764.40 : x
  2. Step 2: Convert to fraction form
    997,961.40/1,497,160.80 = 492,764.40/x
  3. Step 3: Cross multiply
    997,961.40x = 1,497,160.80 × 492,764.40
  4. Step 4: Simplify right side
    997,961.40x = 737,747,543,315.52
  5. Step 5: Solve for x
    x = 737,747,543,315.52/997,961.40
  6. Step 6: Final answer
    x = 739,254.59

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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.