Home / 791,145.76-1,091,876.88-446,996.20

Finding the Fourth Proportional to 791,145.76, 1,091,876.88 and 446,996.20

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Solution

The fourth proportional to 791,145.76, 1,091,876.88 and 446,996.20 is: 616,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,145.76 : 1,091,876.88 = 446,996.20 : x
  2. Step 2: Convert to fraction form
    791,145.76/1,091,876.88 = 446,996.20/x
  3. Step 3: Cross multiply
    791,145.76x = 1,091,876.88 × 446,996.20
  4. Step 4: Simplify right side
    791,145.76x = 488,064,816,227.86
  5. Step 5: Solve for x
    x = 488,064,816,227.86/791,145.76
  6. Step 6: Final answer
    x = 616,908.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.