Home / 458,911.68-688,544.04-222,236.16

Finding the Fourth Proportional to 458,911.68, 688,544.04 and 222,236.16

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Solution

The fourth proportional to 458,911.68, 688,544.04 and 222,236.16 is: 333,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,911.68 : 688,544.04 = 222,236.16 : x
  2. Step 2: Convert to fraction form
    458,911.68/688,544.04 = 222,236.16/x
  3. Step 3: Cross multiply
    458,911.68x = 688,544.04 × 222,236.16
  4. Step 4: Simplify right side
    458,911.68x = 153,019,383,440.49
  5. Step 5: Solve for x
    x = 153,019,383,440.49/458,911.68
  6. Step 6: Final answer
    x = 333,439.72

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1.5x scale

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.