Home / 945,016.40-1,304,074.68-515,293.04

Finding the Fourth Proportional to 945,016.40, 1,304,074.68 and 515,293.04

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Solution

The fourth proportional to 945,016.40, 1,304,074.68 and 515,293.04 is: 711,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,016.40 : 1,304,074.68 = 515,293.04 : x
  2. Step 2: Convert to fraction form
    945,016.40/1,304,074.68 = 515,293.04/x
  3. Step 3: Cross multiply
    945,016.40x = 1,304,074.68 × 515,293.04
  4. Step 4: Simplify right side
    945,016.40x = 671,980,606,244.23
  5. Step 5: Solve for x
    x = 671,980,606,244.23/945,016.40
  6. Step 6: Final answer
    x = 711,078.25

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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.