Home / 997,945.40-1,497,136.80-492,748.40

Finding the Fourth Proportional to 997,945.40, 1,497,136.80 and 492,748.40

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Solution

The fourth proportional to 997,945.40, 1,497,136.80 and 492,748.40 is: 739,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,945.40 : 1,497,136.80 = 492,748.40 : x
  2. Step 2: Convert to fraction form
    997,945.40/1,497,136.80 = 492,748.40/x
  3. Step 3: Cross multiply
    997,945.40x = 1,497,136.80 × 492,748.40
  4. Step 4: Simplify right side
    997,945.40x = 737,711,762,781.12
  5. Step 5: Solve for x
    x = 737,711,762,781.12/997,945.40
  6. Step 6: Final answer
    x = 739,230.59

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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.