Home / 914,633.40-1,372,001.94-283,636.92

Finding the Fourth Proportional to 914,633.40, 1,372,001.94 and 283,636.92

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Solution

The fourth proportional to 914,633.40, 1,372,001.94 and 283,636.92 is: 425,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,633.40 : 1,372,001.94 = 283,636.92 : x
  2. Step 2: Convert to fraction form
    914,633.40/1,372,001.94 = 283,636.92/x
  3. Step 3: Cross multiply
    914,633.40x = 1,372,001.94 × 283,636.92
  4. Step 4: Simplify right side
    914,633.40x = 389,150,404,495.63
  5. Step 5: Solve for x
    x = 389,150,404,495.63/914,633.40
  6. Step 6: Final answer
    x = 425,471.46

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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.