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Finding the Fourth Proportional to 531,613.26, 733,598.46 and 302,139.90

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Solution

The fourth proportional to 531,613.26, 733,598.46 and 302,139.90 is: 416,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,613.26 : 733,598.46 = 302,139.90 : x
  2. Step 2: Convert to fraction form
    531,613.26/733,598.46 = 302,139.90/x
  3. Step 3: Cross multiply
    531,613.26x = 733,598.46 × 302,139.90
  4. Step 4: Simplify right side
    531,613.26x = 221,649,365,344.55
  5. Step 5: Solve for x
    x = 221,649,365,344.55/531,613.26
  6. Step 6: Final answer
    x = 416,937.24

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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.