Home / 941,428.51-1,299,184.59-511,708.66

Finding the Fourth Proportional to 941,428.51, 1,299,184.59 and 511,708.66

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Solution

The fourth proportional to 941,428.51, 1,299,184.59 and 511,708.66 is: 706,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,428.51 : 1,299,184.59 = 511,708.66 : x
  2. Step 2: Convert to fraction form
    941,428.51/1,299,184.59 = 511,708.66/x
  3. Step 3: Cross multiply
    941,428.51x = 1,299,184.59 × 511,708.66
  4. Step 4: Simplify right side
    941,428.51x = 664,804,005,641.55
  5. Step 5: Solve for x
    x = 664,804,005,641.55/941,428.51
  6. Step 6: Final answer
    x = 706,165.15

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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.