Home / 743,165.46-1,025,993.25-489,254.76

Finding the Fourth Proportional to 743,165.46, 1,025,993.25 and 489,254.76

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Solution

The fourth proportional to 743,165.46, 1,025,993.25 and 489,254.76 is: 675,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,165.46 : 1,025,993.25 = 489,254.76 : x
  2. Step 2: Convert to fraction form
    743,165.46/1,025,993.25 = 489,254.76/x
  3. Step 3: Cross multiply
    743,165.46x = 1,025,993.25 × 489,254.76
  4. Step 4: Simplify right side
    743,165.46x = 501,972,081,290.37
  5. Step 5: Solve for x
    x = 501,972,081,290.37/743,165.46
  6. Step 6: Final answer
    x = 675,451.31

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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.