Home / 743,664.85-1,026,264-404,133.10

Finding the Fourth Proportional to 743,664.85, 1,026,264 and 404,133.10

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Solution

The fourth proportional to 743,664.85, 1,026,264 and 404,133.10 is: 557,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,664.85 : 1,026,264 = 404,133.10 : x
  2. Step 2: Convert to fraction form
    743,664.85/1,026,264 = 404,133.10/x
  3. Step 3: Cross multiply
    743,664.85x = 1,026,264 × 404,133.10
  4. Step 4: Simplify right side
    743,664.85x = 414,747,251,738.40
  5. Step 5: Solve for x
    x = 414,747,251,738.40/743,664.85
  6. Step 6: Final answer
    x = 557,707.21

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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.