Home / 771,493.36-1,157,424.72-321,964.24

Finding the Fourth Proportional to 771,493.36, 1,157,424.72 and 321,964.24

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Solution

The fourth proportional to 771,493.36, 1,157,424.72 and 321,964.24 is: 483,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,493.36 : 1,157,424.72 = 321,964.24 : x
  2. Step 2: Convert to fraction form
    771,493.36/1,157,424.72 = 321,964.24/x
  3. Step 3: Cross multiply
    771,493.36x = 1,157,424.72 × 321,964.24
  4. Step 4: Simplify right side
    771,493.36x = 372,649,370,332.01
  5. Step 5: Solve for x
    x = 372,649,370,332.01/771,493.36
  6. Step 6: Final answer
    x = 483,023.43

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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.