Home / 407,584.20-611,837.10-314,502.60

Finding the Fourth Proportional to 407,584.20, 611,837.10 and 314,502.60

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Solution

The fourth proportional to 407,584.20, 611,837.10 and 314,502.60 is: 472,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,584.20 : 611,837.10 = 314,502.60 : x
  2. Step 2: Convert to fraction form
    407,584.20/611,837.10 = 314,502.60/x
  3. Step 3: Cross multiply
    407,584.20x = 611,837.10 × 314,502.60
  4. Step 4: Simplify right side
    407,584.20x = 192,424,358,726.46
  5. Step 5: Solve for x
    x = 192,424,358,726.46/407,584.20
  6. Step 6: Final answer
    x = 472,109.47

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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.