Home / 945,371.04-1,304,616.06-515,660.40

Finding the Fourth Proportional to 945,371.04, 1,304,616.06 and 515,660.40

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Solution

The fourth proportional to 945,371.04, 1,304,616.06 and 515,660.40 is: 711,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,371.04 : 1,304,616.06 = 515,660.40 : x
  2. Step 2: Convert to fraction form
    945,371.04/1,304,616.06 = 515,660.40/x
  3. Step 3: Cross multiply
    945,371.04x = 1,304,616.06 × 515,660.40
  4. Step 4: Simplify right side
    945,371.04x = 672,738,839,346.02
  5. Step 5: Solve for x
    x = 672,738,839,346.02/945,371.04
  6. Step 6: Final answer
    x = 711,613.55

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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.