Home / 637,241.60-955,977.60-320,902.40

Finding the Fourth Proportional to 637,241.60, 955,977.60 and 320,902.40

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Solution

The fourth proportional to 637,241.60, 955,977.60 and 320,902.40 is: 481,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,241.60 : 955,977.60 = 320,902.40 : x
  2. Step 2: Convert to fraction form
    637,241.60/955,977.60 = 320,902.40/x
  3. Step 3: Cross multiply
    637,241.60x = 955,977.60 × 320,902.40
  4. Step 4: Simplify right side
    637,241.60x = 306,775,506,186.24
  5. Step 5: Solve for x
    x = 306,775,506,186.24/637,241.60
  6. Step 6: Final answer
    x = 481,411.61

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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.