Home / 739,230.78-1,020,096.57-416,921.64

Finding the Fourth Proportional to 739,230.78, 1,020,096.57 and 416,921.64

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Solution

The fourth proportional to 739,230.78, 1,020,096.57 and 416,921.64 is: 575,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,230.78 : 1,020,096.57 = 416,921.64 : x
  2. Step 2: Convert to fraction form
    739,230.78/1,020,096.57 = 416,921.64/x
  3. Step 3: Cross multiply
    739,230.78x = 1,020,096.57 × 416,921.64
  4. Step 4: Simplify right side
    739,230.78x = 425,300,334,922.78
  5. Step 5: Solve for x
    x = 425,300,334,922.78/739,230.78
  6. Step 6: Final answer
    x = 575,328.23

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Double scale
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Similar ratio
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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.