Home / 738,112.26-1,018,670.16-451,821.54

Finding the Fourth Proportional to 738,112.26, 1,018,670.16 and 451,821.54

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Solution

The fourth proportional to 738,112.26, 1,018,670.16 and 451,821.54 is: 623,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,112.26 : 1,018,670.16 = 451,821.54 : x
  2. Step 2: Convert to fraction form
    738,112.26/1,018,670.16 = 451,821.54/x
  3. Step 3: Cross multiply
    738,112.26x = 1,018,670.16 × 451,821.54
  4. Step 4: Simplify right side
    738,112.26x = 460,257,120,443.25
  5. Step 5: Solve for x
    x = 460,257,120,443.25/738,112.26
  6. Step 6: Final answer
    x = 623,559.78

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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.