Home / 605,004.20-907,287.60-305,385.20

Finding the Fourth Proportional to 605,004.20, 907,287.60 and 305,385.20

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Solution

The fourth proportional to 605,004.20, 907,287.60 and 305,385.20 is: 457,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,004.20 : 907,287.60 = 305,385.20 : x
  2. Step 2: Convert to fraction form
    605,004.20/907,287.60 = 305,385.20/x
  3. Step 3: Cross multiply
    605,004.20x = 907,287.60 × 305,385.20
  4. Step 4: Simplify right side
    605,004.20x = 277,072,205,183.52
  5. Step 5: Solve for x
    x = 277,072,205,183.52/605,004.20
  6. Step 6: Final answer
    x = 457,967.41

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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.