Home / 945,370.08-1,304,614.72-515,659.44

Finding the Fourth Proportional to 945,370.08, 1,304,614.72 and 515,659.44

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Solution

The fourth proportional to 945,370.08, 1,304,614.72 and 515,659.44 is: 711,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,370.08 : 1,304,614.72 = 515,659.44 : x
  2. Step 2: Convert to fraction form
    945,370.08/1,304,614.72 = 515,659.44/x
  3. Step 3: Cross multiply
    945,370.08x = 1,304,614.72 × 515,659.44
  4. Step 4: Simplify right side
    945,370.08x = 672,736,895,930.96
  5. Step 5: Solve for x
    x = 672,736,895,930.96/945,370.08
  6. Step 6: Final answer
    x = 711,612.21

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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.