Home / 702,998.20-1,054,497.30-323,918.20

Finding the Fourth Proportional to 702,998.20, 1,054,497.30 and 323,918.20

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Solution

The fourth proportional to 702,998.20, 1,054,497.30 and 323,918.20 is: 485,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,998.20 : 1,054,497.30 = 323,918.20 : x
  2. Step 2: Convert to fraction form
    702,998.20/1,054,497.30 = 323,918.20/x
  3. Step 3: Cross multiply
    702,998.20x = 1,054,497.30 × 323,918.20
  4. Step 4: Simplify right side
    702,998.20x = 341,570,867,320.86
  5. Step 5: Solve for x
    x = 341,570,867,320.86/702,998.20
  6. Step 6: Final answer
    x = 485,877.30

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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.