Home / 740,028.60-1,110,042.90-710,998.20

Finding the Fourth Proportional to 740,028.60, 1,110,042.90 and 710,998.20

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Solution

The fourth proportional to 740,028.60, 1,110,042.90 and 710,998.20 is: 1,066,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,028.60 : 1,110,042.90 = 710,998.20 : x
  2. Step 2: Convert to fraction form
    740,028.60/1,110,042.90 = 710,998.20/x
  3. Step 3: Cross multiply
    740,028.60x = 1,110,042.90 × 710,998.20
  4. Step 4: Simplify right side
    740,028.60x = 789,238,503,822.78
  5. Step 5: Solve for x
    x = 789,238,503,822.78/740,028.60
  6. Step 6: Final answer
    x = 1,066,497.30

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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.