Home / 914,635.40-1,372,004.94-283,638.92

Finding the Fourth Proportional to 914,635.40, 1,372,004.94 and 283,638.92

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Solution

The fourth proportional to 914,635.40, 1,372,004.94 and 283,638.92 is: 425,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,635.40 : 1,372,004.94 = 283,638.92 : x
  2. Step 2: Convert to fraction form
    914,635.40/1,372,004.94 = 283,638.92/x
  3. Step 3: Cross multiply
    914,635.40x = 1,372,004.94 × 283,638.92
  4. Step 4: Simplify right side
    914,635.40x = 389,153,999,416.27
  5. Step 5: Solve for x
    x = 389,153,999,416.27/914,635.40
  6. Step 6: Final answer
    x = 425,474.46

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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.