Home / 959,704.10-1,439,408.52-320,018.96

Finding the Fourth Proportional to 959,704.10, 1,439,408.52 and 320,018.96

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Solution

The fourth proportional to 959,704.10, 1,439,408.52 and 320,018.96 is: 479,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,704.10 : 1,439,408.52 = 320,018.96 : x
  2. Step 2: Convert to fraction form
    959,704.10/1,439,408.52 = 320,018.96/x
  3. Step 3: Cross multiply
    959,704.10x = 1,439,408.52 × 320,018.96
  4. Step 4: Simplify right side
    959,704.10x = 460,638,010,388.50
  5. Step 5: Solve for x
    x = 460,638,010,388.50/959,704.10
  6. Step 6: Final answer
    x = 479,979.21

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Half scale
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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.