Home / 945,574.80-1,304,867.34-515,854.83

Finding the Fourth Proportional to 945,574.80, 1,304,867.34 and 515,854.83

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Solution

The fourth proportional to 945,574.80, 1,304,867.34 and 515,854.83 is: 711,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,574.80 : 1,304,867.34 = 515,854.83 : x
  2. Step 2: Convert to fraction form
    945,574.80/1,304,867.34 = 515,854.83/x
  3. Step 3: Cross multiply
    945,574.80x = 1,304,867.34 × 515,854.83
  4. Step 4: Simplify right side
    945,574.80x = 673,122,119,848.25
  5. Step 5: Solve for x
    x = 673,122,119,848.25/945,574.80
  6. Step 6: Final answer
    x = 711,865.54

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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.