Home / 945,364.25-1,304,602.66-515,644.38

Finding the Fourth Proportional to 945,364.25, 1,304,602.66 and 515,644.38

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Solution

The fourth proportional to 945,364.25, 1,304,602.66 and 515,644.38 is: 711,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,364.25 : 1,304,602.66 = 515,644.38 : x
  2. Step 2: Convert to fraction form
    945,364.25/1,304,602.66 = 515,644.38/x
  3. Step 3: Cross multiply
    945,364.25x = 1,304,602.66 × 515,644.38
  4. Step 4: Simplify right side
    945,364.25x = 672,711,027,506.11
  5. Step 5: Solve for x
    x = 672,711,027,506.11/945,364.25
  6. Step 6: Final answer
    x = 711,589.24

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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.