Home / 821,848.62-1,233,099.93-316,273.86

Finding the Fourth Proportional to 821,848.62, 1,233,099.93 and 316,273.86

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Solution

The fourth proportional to 821,848.62, 1,233,099.93 and 316,273.86 is: 474,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,848.62 : 1,233,099.93 = 316,273.86 : x
  2. Step 2: Convert to fraction form
    821,848.62/1,233,099.93 = 316,273.86/x
  3. Step 3: Cross multiply
    821,848.62x = 1,233,099.93 × 316,273.86
  4. Step 4: Simplify right side
    821,848.62x = 389,997,274,626.83
  5. Step 5: Solve for x
    x = 389,997,274,626.83/821,848.62
  6. Step 6: Final answer
    x = 474,536.63

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Double scale
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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.