Home / 945,023.82-1,304,104.14-515,312.34

Finding the Fourth Proportional to 945,023.82, 1,304,104.14 and 515,312.34

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Solution

The fourth proportional to 945,023.82, 1,304,104.14 and 515,312.34 is: 711,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,023.82 : 1,304,104.14 = 515,312.34 : x
  2. Step 2: Convert to fraction form
    945,023.82/1,304,104.14 = 515,312.34/x
  3. Step 3: Cross multiply
    945,023.82x = 1,304,104.14 × 515,312.34
  4. Step 4: Simplify right side
    945,023.82x = 672,020,955,987.09
  5. Step 5: Solve for x
    x = 672,020,955,987.09/945,023.82
  6. Step 6: Final answer
    x = 711,115.36

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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.