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Finding the Fourth Proportional to 606,943.71, 837,457.29 and 348,770.79

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Solution

The fourth proportional to 606,943.71, 837,457.29 and 348,770.79 is: 481,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,943.71 : 837,457.29 = 348,770.79 : x
  2. Step 2: Convert to fraction form
    606,943.71/837,457.29 = 348,770.79/x
  3. Step 3: Cross multiply
    606,943.71x = 837,457.29 × 348,770.79
  4. Step 4: Simplify right side
    606,943.71x = 292,080,640,624.56
  5. Step 5: Solve for x
    x = 292,080,640,624.56/606,943.71
  6. Step 6: Final answer
    x = 481,231.84

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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.