Home / 941,029.40-1,298,628.48-511,309.53

Finding the Fourth Proportional to 941,029.40, 1,298,628.48 and 511,309.53

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Solution

The fourth proportional to 941,029.40, 1,298,628.48 and 511,309.53 is: 705,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,029.40 : 1,298,628.48 = 511,309.53 : x
  2. Step 2: Convert to fraction form
    941,029.40/1,298,628.48 = 511,309.53/x
  3. Step 3: Cross multiply
    941,029.40x = 1,298,628.48 × 511,309.53
  4. Step 4: Simplify right side
    941,029.40x = 664,001,117,753.41
  5. Step 5: Solve for x
    x = 664,001,117,753.41/941,029.40
  6. Step 6: Final answer
    x = 705,611.45

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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.