Home / 911,869.65-1,367,649.36-304,589.16

Finding the Fourth Proportional to 911,869.65, 1,367,649.36 and 304,589.16

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Solution

The fourth proportional to 911,869.65, 1,367,649.36 and 304,589.16 is: 456,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,869.65 : 1,367,649.36 = 304,589.16 : x
  2. Step 2: Convert to fraction form
    911,869.65/1,367,649.36 = 304,589.16/x
  3. Step 3: Cross multiply
    911,869.65x = 1,367,649.36 × 304,589.16
  4. Step 4: Simplify right side
    911,869.65x = 416,571,169,736.94
  5. Step 5: Solve for x
    x = 416,571,169,736.94/911,869.65
  6. Step 6: Final answer
    x = 456,831.93

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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.