Home / 901,613.96-1,244,242.56-493,709.30

Finding the Fourth Proportional to 901,613.96, 1,244,242.56 and 493,709.30

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Solution

The fourth proportional to 901,613.96, 1,244,242.56 and 493,709.30 is: 681,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,613.96 : 1,244,242.56 = 493,709.30 : x
  2. Step 2: Convert to fraction form
    901,613.96/1,244,242.56 = 493,709.30/x
  3. Step 3: Cross multiply
    901,613.96x = 1,244,242.56 × 493,709.30
  4. Step 4: Simplify right side
    901,613.96x = 614,294,123,327.81
  5. Step 5: Solve for x
    x = 614,294,123,327.81/901,613.96
  6. Step 6: Final answer
    x = 681,327.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.