Home / 911,320.44-1,366,975.70-371,574.61

Finding the Fourth Proportional to 911,320.44, 1,366,975.70 and 371,574.61

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Solution

The fourth proportional to 911,320.44, 1,366,975.70 and 371,574.61 is: 557,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,320.44 : 1,366,975.70 = 371,574.61 : x
  2. Step 2: Convert to fraction form
    911,320.44/1,366,975.70 = 371,574.61/x
  3. Step 3: Cross multiply
    911,320.44x = 1,366,975.70 × 371,574.61
  4. Step 4: Simplify right side
    911,320.44x = 507,933,458,725.07
  5. Step 5: Solve for x
    x = 507,933,458,725.07/911,320.44
  6. Step 6: Final answer
    x = 557,359.89

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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.