Home / 743,171.96-1,026,002.22-489,261.26

Finding the Fourth Proportional to 743,171.96, 1,026,002.22 and 489,261.26

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Solution

The fourth proportional to 743,171.96, 1,026,002.22 and 489,261.26 is: 675,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,171.96 : 1,026,002.22 = 489,261.26 : x
  2. Step 2: Convert to fraction form
    743,171.96/1,026,002.22 = 489,261.26/x
  3. Step 3: Cross multiply
    743,171.96x = 1,026,002.22 × 489,261.26
  4. Step 4: Simplify right side
    743,171.96x = 501,983,138,920.00
  5. Step 5: Solve for x
    x = 501,983,138,920.00/743,171.96
  6. Step 6: Final answer
    x = 675,460.28

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Double scale
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1.5x scale

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.