Home / 945,675.90-1,304,984.79-515,952.54

Finding the Fourth Proportional to 945,675.90, 1,304,984.79 and 515,952.54

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Solution

The fourth proportional to 945,675.90, 1,304,984.79 and 515,952.54 is: 711,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,675.90 : 1,304,984.79 = 515,952.54 : x
  2. Step 2: Convert to fraction form
    945,675.90/1,304,984.79 = 515,952.54/x
  3. Step 3: Cross multiply
    945,675.90x = 1,304,984.79 × 515,952.54
  4. Step 4: Simplify right side
    945,675.90x = 673,310,217,061.87
  5. Step 5: Solve for x
    x = 673,310,217,061.87/945,675.90
  6. Step 6: Final answer
    x = 711,988.34

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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.