Home / 941,356.65-1,299,082.29-511,636.80

Finding the Fourth Proportional to 941,356.65, 1,299,082.29 and 511,636.80

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Solution

The fourth proportional to 941,356.65, 1,299,082.29 and 511,636.80 is: 706,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,356.65 : 1,299,082.29 = 511,636.80 : x
  2. Step 2: Convert to fraction form
    941,356.65/1,299,082.29 = 511,636.80/x
  3. Step 3: Cross multiply
    941,356.65x = 1,299,082.29 × 511,636.80
  4. Step 4: Simplify right side
    941,356.65x = 664,658,305,792.27
  5. Step 5: Solve for x
    x = 664,658,305,792.27/941,356.65
  6. Step 6: Final answer
    x = 706,064.28

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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.