Home / 739,236.31-1,020,144.72-416,945.41

Finding the Fourth Proportional to 739,236.31, 1,020,144.72 and 416,945.41

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Solution

The fourth proportional to 739,236.31, 1,020,144.72 and 416,945.41 is: 575,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,236.31 : 1,020,144.72 = 416,945.41 : x
  2. Step 2: Convert to fraction form
    739,236.31/1,020,144.72 = 416,945.41/x
  3. Step 3: Cross multiply
    739,236.31x = 1,020,144.72 × 416,945.41
  4. Step 4: Simplify right side
    739,236.31x = 425,344,658,539.74
  5. Step 5: Solve for x
    x = 425,344,658,539.74/739,236.31
  6. Step 6: Final answer
    x = 575,383.88

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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.