Home / 484,587.28-668,730.36-269,722.72

Finding the Fourth Proportional to 484,587.28, 668,730.36 and 269,722.72

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Solution

The fourth proportional to 484,587.28, 668,730.36 and 269,722.72 is: 372,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,587.28 : 668,730.36 = 269,722.72 : x
  2. Step 2: Convert to fraction form
    484,587.28/668,730.36 = 269,722.72/x
  3. Step 3: Cross multiply
    484,587.28x = 668,730.36 × 269,722.72
  4. Step 4: Simplify right side
    484,587.28x = 180,371,771,645.78
  5. Step 5: Solve for x
    x = 180,371,771,645.78/484,587.28
  6. Step 6: Final answer
    x = 372,217.31

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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.