Home / 683,407.40-1,025,111.10-494,450.60

Finding the Fourth Proportional to 683,407.40, 1,025,111.10 and 494,450.60

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Solution

The fourth proportional to 683,407.40, 1,025,111.10 and 494,450.60 is: 741,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,407.40 : 1,025,111.10 = 494,450.60 : x
  2. Step 2: Convert to fraction form
    683,407.40/1,025,111.10 = 494,450.60/x
  3. Step 3: Cross multiply
    683,407.40x = 1,025,111.10 × 494,450.60
  4. Step 4: Simplify right side
    683,407.40x = 506,866,798,461.66
  5. Step 5: Solve for x
    x = 506,866,798,461.66/683,407.40
  6. Step 6: Final answer
    x = 741,675.90

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.