Home / 899,572.96-1,348,268.12-660,700.56

Finding the Fourth Proportional to 899,572.96, 1,348,268.12 and 660,700.56

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Solution

The fourth proportional to 899,572.96, 1,348,268.12 and 660,700.56 is: 990,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,572.96 : 1,348,268.12 = 660,700.56 : x
  2. Step 2: Convert to fraction form
    899,572.96/1,348,268.12 = 660,700.56/x
  3. Step 3: Cross multiply
    899,572.96x = 1,348,268.12 × 660,700.56
  4. Step 4: Simplify right side
    899,572.96x = 890,801,501,914.15
  5. Step 5: Solve for x
    x = 890,801,501,914.15/899,572.96
  6. Step 6: Final answer
    x = 990,249.31

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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.