Home / 485,814.71-670,425.19-270,968.62

Finding the Fourth Proportional to 485,814.71, 670,425.19 and 270,968.62

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Solution

The fourth proportional to 485,814.71, 670,425.19 and 270,968.62 is: 373,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,814.71 : 670,425.19 = 270,968.62 : x
  2. Step 2: Convert to fraction form
    485,814.71/670,425.19 = 270,968.62/x
  3. Step 3: Cross multiply
    485,814.71x = 670,425.19 × 270,968.62
  4. Step 4: Simplify right side
    485,814.71x = 181,664,186,194.05
  5. Step 5: Solve for x
    x = 181,664,186,194.05/485,814.71
  6. Step 6: Final answer
    x = 373,937.19

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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.