Home / 459,362.04-689,135.03-257,245.57

Finding the Fourth Proportional to 459,362.04, 689,135.03 and 257,245.57

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Solution

The fourth proportional to 459,362.04, 689,135.03 and 257,245.57 is: 385,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,362.04 : 689,135.03 = 257,245.57 : x
  2. Step 2: Convert to fraction form
    459,362.04/689,135.03 = 257,245.57/x
  3. Step 3: Cross multiply
    459,362.04x = 689,135.03 × 257,245.57
  4. Step 4: Simplify right side
    459,362.04x = 177,276,933,599.32
  5. Step 5: Solve for x
    x = 177,276,933,599.32/459,362.04
  6. Step 6: Final answer
    x = 385,919.86

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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.