Home / 457,983.42-632,328.84-285,968.58

Finding the Fourth Proportional to 457,983.42, 632,328.84 and 285,968.58

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Solution

The fourth proportional to 457,983.42, 632,328.84 and 285,968.58 is: 394,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,983.42 : 632,328.84 = 285,968.58 : x
  2. Step 2: Convert to fraction form
    457,983.42/632,328.84 = 285,968.58/x
  3. Step 3: Cross multiply
    457,983.42x = 632,328.84 × 285,968.58
  4. Step 4: Simplify right side
    457,983.42x = 180,826,180,467.85
  5. Step 5: Solve for x
    x = 180,826,180,467.85/457,983.42
  6. Step 6: Final answer
    x = 394,831.28

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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.