Home / 916,020.73-1,374,042.78-242,096.21

Finding the Fourth Proportional to 916,020.73, 1,374,042.78 and 242,096.21

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Solution

The fourth proportional to 916,020.73, 1,374,042.78 and 242,096.21 is: 363,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,020.73 : 1,374,042.78 = 242,096.21 : x
  2. Step 2: Convert to fraction form
    916,020.73/1,374,042.78 = 242,096.21/x
  3. Step 3: Cross multiply
    916,020.73x = 1,374,042.78 × 242,096.21
  4. Step 4: Simplify right side
    916,020.73x = 332,650,549,415.86
  5. Step 5: Solve for x
    x = 332,650,549,415.86/916,020.73
  6. Step 6: Final answer
    x = 363,147.40

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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.