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Finding the Fourth Proportional to 551,775.20, 827,225.40 and 302,457.20

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Solution

The fourth proportional to 551,775.20, 827,225.40 and 302,457.20 is: 453,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,775.20 : 827,225.40 = 302,457.20 : x
  2. Step 2: Convert to fraction form
    551,775.20/827,225.40 = 302,457.20/x
  3. Step 3: Cross multiply
    551,775.20x = 827,225.40 × 302,457.20
  4. Step 4: Simplify right side
    551,775.20x = 250,200,278,252.88
  5. Step 5: Solve for x
    x = 250,200,278,252.88/551,775.20
  6. Step 6: Final answer
    x = 453,446.04

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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.