Home / 839,241.48-1,158,161.74-457,274.64

Finding the Fourth Proportional to 839,241.48, 1,158,161.74 and 457,274.64

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Solution

The fourth proportional to 839,241.48, 1,158,161.74 and 457,274.64 is: 631,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,241.48 : 1,158,161.74 = 457,274.64 : x
  2. Step 2: Convert to fraction form
    839,241.48/1,158,161.74 = 457,274.64/x
  3. Step 3: Cross multiply
    839,241.48x = 1,158,161.74 × 457,274.64
  4. Step 4: Simplify right side
    839,241.48x = 529,597,992,720.27
  5. Step 5: Solve for x
    x = 529,597,992,720.27/839,241.48
  6. Step 6: Final answer
    x = 631,043.63

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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.