Home / 869,126.70-1,303,641.45-270,083.10

Finding the Fourth Proportional to 869,126.70, 1,303,641.45 and 270,083.10

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Solution

The fourth proportional to 869,126.70, 1,303,641.45 and 270,083.10 is: 405,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,126.70 : 1,303,641.45 = 270,083.10 : x
  2. Step 2: Convert to fraction form
    869,126.70/1,303,641.45 = 270,083.10/x
  3. Step 3: Cross multiply
    869,126.70x = 1,303,641.45 × 270,083.10
  4. Step 4: Simplify right side
    869,126.70x = 352,091,524,104.50
  5. Step 5: Solve for x
    x = 352,091,524,104.50/869,126.70
  6. Step 6: Final answer
    x = 405,109.55

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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.