Home / 727,995.74-1,004,637.49-422,253.14

Finding the Fourth Proportional to 727,995.74, 1,004,637.49 and 422,253.14

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Solution

The fourth proportional to 727,995.74, 1,004,637.49 and 422,253.14 is: 582,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,995.74 : 1,004,637.49 = 422,253.14 : x
  2. Step 2: Convert to fraction form
    727,995.74/1,004,637.49 = 422,253.14/x
  3. Step 3: Cross multiply
    727,995.74x = 1,004,637.49 × 422,253.14
  4. Step 4: Simplify right side
    727,995.74x = 424,211,334,714.22
  5. Step 5: Solve for x
    x = 424,211,334,714.22/727,995.74
  6. Step 6: Final answer
    x = 582,711.29

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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.