Home / 997,320-1,376,401.20-594,912

Finding the Fourth Proportional to 997,320, 1,376,401.20 and 594,912

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Solution

The fourth proportional to 997,320, 1,376,401.20 and 594,912 is: 821,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,320 : 1,376,401.20 = 594,912 : x
  2. Step 2: Convert to fraction form
    997,320/1,376,401.20 = 594,912/x
  3. Step 3: Cross multiply
    997,320x = 1,376,401.20 × 594,912
  4. Step 4: Simplify right side
    997,320x = 818,837,590,694.40
  5. Step 5: Solve for x
    x = 818,837,590,694.40/997,320
  6. Step 6: Final answer
    x = 821,037.97

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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.