Home / 753,754.64-1,039,714.79-495,661.23

Finding the Fourth Proportional to 753,754.64, 1,039,714.79 and 495,661.23

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Solution

The fourth proportional to 753,754.64, 1,039,714.79 and 495,661.23 is: 683,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,754.64 : 1,039,714.79 = 495,661.23 : x
  2. Step 2: Convert to fraction form
    753,754.64/1,039,714.79 = 495,661.23/x
  3. Step 3: Cross multiply
    753,754.64x = 1,039,714.79 × 495,661.23
  4. Step 4: Simplify right side
    753,754.64x = 515,346,309,182.29
  5. Step 5: Solve for x
    x = 515,346,309,182.29/753,754.64
  6. Step 6: Final answer
    x = 683,705.66

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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.