Home / 607,187.30-911,364.15-308,005.70

Finding the Fourth Proportional to 607,187.30, 911,364.15 and 308,005.70

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Solution

The fourth proportional to 607,187.30, 911,364.15 and 308,005.70 is: 462,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,187.30 : 911,364.15 = 308,005.70 : x
  2. Step 2: Convert to fraction form
    607,187.30/911,364.15 = 308,005.70/x
  3. Step 3: Cross multiply
    607,187.30x = 911,364.15 × 308,005.70
  4. Step 4: Simplify right side
    607,187.30x = 280,705,352,975.66
  5. Step 5: Solve for x
    x = 280,705,352,975.66/607,187.30
  6. Step 6: Final answer
    x = 462,304.39

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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.