Home / 753,784.76-1,039,756.04-495,691.24

Finding the Fourth Proportional to 753,784.76, 1,039,756.04 and 495,691.24

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Solution

The fourth proportional to 753,784.76, 1,039,756.04 and 495,691.24 is: 683,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,784.76 : 1,039,756.04 = 495,691.24 : x
  2. Step 2: Convert to fraction form
    753,784.76/1,039,756.04 = 495,691.24/x
  3. Step 3: Cross multiply
    753,784.76x = 1,039,756.04 × 495,691.24
  4. Step 4: Simplify right side
    753,784.76x = 515,397,960,765.09
  5. Step 5: Solve for x
    x = 515,397,960,765.09/753,784.76
  6. Step 6: Final answer
    x = 683,746.86

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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.