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Finding the Fourth Proportional to 453,950.19, 680,039.46 and 353,640.71

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Solution

The fourth proportional to 453,950.19, 680,039.46 and 353,640.71 is: 529,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,950.19 : 680,039.46 = 353,640.71 : x
  2. Step 2: Convert to fraction form
    453,950.19/680,039.46 = 353,640.71/x
  3. Step 3: Cross multiply
    453,950.19x = 680,039.46 × 353,640.71
  4. Step 4: Simplify right side
    453,950.19x = 240,489,639,162.52
  5. Step 5: Solve for x
    x = 240,489,639,162.52/453,950.19
  6. Step 6: Final answer
    x = 529,770.98

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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.