Home / 945,365.25-1,304,604.04-515,645.38

Finding the Fourth Proportional to 945,365.25, 1,304,604.04 and 515,645.38

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Solution

The fourth proportional to 945,365.25, 1,304,604.04 and 515,645.38 is: 711,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,365.25 : 1,304,604.04 = 515,645.38 : x
  2. Step 2: Convert to fraction form
    945,365.25/1,304,604.04 = 515,645.38/x
  3. Step 3: Cross multiply
    945,365.25x = 1,304,604.04 × 515,645.38
  4. Step 4: Simplify right side
    945,365.25x = 672,713,045,955.34
  5. Step 5: Solve for x
    x = 672,713,045,955.34/945,365.25
  6. Step 6: Final answer
    x = 711,590.62

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1.5x scale

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.