Home / 684,615.21-1,027,166.13-305,501.46

Finding the Fourth Proportional to 684,615.21, 1,027,166.13 and 305,501.46

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Solution

The fourth proportional to 684,615.21, 1,027,166.13 and 305,501.46 is: 458,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,615.21 : 1,027,166.13 = 305,501.46 : x
  2. Step 2: Convert to fraction form
    684,615.21/1,027,166.13 = 305,501.46/x
  3. Step 3: Cross multiply
    684,615.21x = 1,027,166.13 × 305,501.46
  4. Step 4: Simplify right side
    684,615.21x = 313,800,752,377.55
  5. Step 5: Solve for x
    x = 313,800,752,377.55/684,615.21
  6. Step 6: Final answer
    x = 458,360.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.