Home / 945,188.88-1,304,346.87-515,468.04

Finding the Fourth Proportional to 945,188.88, 1,304,346.87 and 515,468.04

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Solution

The fourth proportional to 945,188.88, 1,304,346.87 and 515,468.04 is: 711,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,188.88 : 1,304,346.87 = 515,468.04 : x
  2. Step 2: Convert to fraction form
    945,188.88/1,304,346.87 = 515,468.04/x
  3. Step 3: Cross multiply
    945,188.88x = 1,304,346.87 × 515,468.04
  4. Step 4: Simplify right side
    945,188.88x = 672,349,124,559.04
  5. Step 5: Solve for x
    x = 672,349,124,559.04/945,188.88
  6. Step 6: Final answer
    x = 711,338.38

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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.