Home / 459,485.64-689,261.34-122,524.50

Finding the Fourth Proportional to 459,485.64, 689,261.34 and 122,524.50

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Solution

The fourth proportional to 459,485.64, 689,261.34 and 122,524.50 is: 183,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,485.64 : 689,261.34 = 122,524.50 : x
  2. Step 2: Convert to fraction form
    459,485.64/689,261.34 = 122,524.50/x
  3. Step 3: Cross multiply
    459,485.64x = 689,261.34 × 122,524.50
  4. Step 4: Simplify right side
    459,485.64x = 84,451,401,052.83
  5. Step 5: Solve for x
    x = 84,451,401,052.83/459,485.64
  6. Step 6: Final answer
    x = 183,795.52

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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.