Home / 488,015.04-673,332.98-281,232.78

Finding the Fourth Proportional to 488,015.04, 673,332.98 and 281,232.78

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Solution

The fourth proportional to 488,015.04, 673,332.98 and 281,232.78 is: 388,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,015.04 : 673,332.98 = 281,232.78 : x
  2. Step 2: Convert to fraction form
    488,015.04/673,332.98 = 281,232.78/x
  3. Step 3: Cross multiply
    488,015.04x = 673,332.98 × 281,232.78
  4. Step 4: Simplify right side
    488,015.04x = 189,363,305,831.08
  5. Step 5: Solve for x
    x = 189,363,305,831.08/488,015.04
  6. Step 6: Final answer
    x = 388,027.60

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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.