Home / 997,744.81-1,376,885.50-545,039.05

Finding the Fourth Proportional to 997,744.81, 1,376,885.50 and 545,039.05

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Solution

The fourth proportional to 997,744.81, 1,376,885.50 and 545,039.05 is: 752,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,744.81 : 1,376,885.50 = 545,039.05 : x
  2. Step 2: Convert to fraction form
    997,744.81/1,376,885.50 = 545,039.05/x
  3. Step 3: Cross multiply
    997,744.81x = 1,376,885.50 × 545,039.05
  4. Step 4: Simplify right side
    997,744.81x = 750,456,364,878.78
  5. Step 5: Solve for x
    x = 750,456,364,878.78/997,744.81
  6. Step 6: Final answer
    x = 752,152.61

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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.