Home / 941,141.52-1,298,772.28-511,422.96

Finding the Fourth Proportional to 941,141.52, 1,298,772.28 and 511,422.96

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Solution

The fourth proportional to 941,141.52, 1,298,772.28 and 511,422.96 is: 705,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,141.52 : 1,298,772.28 = 511,422.96 : x
  2. Step 2: Convert to fraction form
    941,141.52/1,298,772.28 = 511,422.96/x
  3. Step 3: Cross multiply
    941,141.52x = 1,298,772.28 × 511,422.96
  4. Step 4: Simplify right side
    941,141.52x = 664,221,963,803.55
  5. Step 5: Solve for x
    x = 664,221,963,803.55/941,141.52
  6. Step 6: Final answer
    x = 705,762.05

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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.