Home / 771,885.62-1,157,500.34-316,162.66

Finding the Fourth Proportional to 771,885.62, 1,157,500.34 and 316,162.66

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Solution

The fourth proportional to 771,885.62, 1,157,500.34 and 316,162.66 is: 474,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,885.62 : 1,157,500.34 = 316,162.66 : x
  2. Step 2: Convert to fraction form
    771,885.62/1,157,500.34 = 316,162.66/x
  3. Step 3: Cross multiply
    771,885.62x = 1,157,500.34 × 316,162.66
  4. Step 4: Simplify right side
    771,885.62x = 365,958,386,445.30
  5. Step 5: Solve for x
    x = 365,958,386,445.30/771,885.62
  6. Step 6: Final answer
    x = 474,109.61

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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.