Home / 997,728.50-1,376,895.60-545,048.66

Finding the Fourth Proportional to 997,728.50, 1,376,895.60 and 545,048.66

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Solution

The fourth proportional to 997,728.50, 1,376,895.60 and 545,048.66 is: 752,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,728.50 : 1,376,895.60 = 545,048.66 : x
  2. Step 2: Convert to fraction form
    997,728.50/1,376,895.60 = 545,048.66/x
  3. Step 3: Cross multiply
    997,728.50x = 1,376,895.60 × 545,048.66
  4. Step 4: Simplify right side
    997,728.50x = 750,475,101,739.90
  5. Step 5: Solve for x
    x = 750,475,101,739.90/997,728.50
  6. Step 6: Final answer
    x = 752,183.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.