Home / 997,942.50-1,377,160.65-545,236.74

Finding the Fourth Proportional to 997,942.50, 1,377,160.65 and 545,236.74

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Solution

The fourth proportional to 997,942.50, 1,377,160.65 and 545,236.74 is: 752,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,942.50 : 1,377,160.65 = 545,236.74 : x
  2. Step 2: Convert to fraction form
    997,942.50/1,377,160.65 = 545,236.74/x
  3. Step 3: Cross multiply
    997,942.50x = 1,377,160.65 × 545,236.74
  4. Step 4: Simplify right side
    997,942.50x = 750,878,583,262.28
  5. Step 5: Solve for x
    x = 750,878,583,262.28/997,942.50
  6. Step 6: Final answer
    x = 752,426.70

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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.