Home / 997,988.48-1,377,244.80-545,309.44

Finding the Fourth Proportional to 997,988.48, 1,377,244.80 and 545,309.44

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Solution

The fourth proportional to 997,988.48, 1,377,244.80 and 545,309.44 is: 752,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,988.48 : 1,377,244.80 = 545,309.44 : x
  2. Step 2: Convert to fraction form
    997,988.48/1,377,244.80 = 545,309.44/x
  3. Step 3: Cross multiply
    997,988.48x = 1,377,244.80 × 545,309.44
  4. Step 4: Simplify right side
    997,988.48x = 751,024,590,630.91
  5. Step 5: Solve for x
    x = 751,024,590,630.91/997,988.48
  6. Step 6: Final answer
    x = 752,538.34

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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.