Home / 839,464.50-1,158,469.22-457,499.48

Finding the Fourth Proportional to 839,464.50, 1,158,469.22 and 457,499.48

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Solution

The fourth proportional to 839,464.50, 1,158,469.22 and 457,499.48 is: 631,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,464.50 : 1,158,469.22 = 457,499.48 : x
  2. Step 2: Convert to fraction form
    839,464.50/1,158,469.22 = 457,499.48/x
  3. Step 3: Cross multiply
    839,464.50x = 1,158,469.22 × 457,499.48
  4. Step 4: Simplify right side
    839,464.50x = 529,999,066,354.68
  5. Step 5: Solve for x
    x = 529,999,066,354.68/839,464.50
  6. Step 6: Final answer
    x = 631,353.76

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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.