Home / 945,382.04-1,304,631.32-515,671.40

Finding the Fourth Proportional to 945,382.04, 1,304,631.32 and 515,671.40

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Solution

The fourth proportional to 945,382.04, 1,304,631.32 and 515,671.40 is: 711,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,382.04 : 1,304,631.32 = 515,671.40 : x
  2. Step 2: Convert to fraction form
    945,382.04/1,304,631.32 = 515,671.40/x
  3. Step 3: Cross multiply
    945,382.04x = 1,304,631.32 × 515,671.40
  4. Step 4: Simplify right side
    945,382.04x = 672,761,059,268.25
  5. Step 5: Solve for x
    x = 672,761,059,268.25/945,382.04
  6. Step 6: Final answer
    x = 711,628.77

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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.