Home / 459,828.20-689,771.46-144,297.56

Finding the Fourth Proportional to 459,828.20, 689,771.46 and 144,297.56

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Solution

The fourth proportional to 459,828.20, 689,771.46 and 144,297.56 is: 216,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,828.20 : 689,771.46 = 144,297.56 : x
  2. Step 2: Convert to fraction form
    459,828.20/689,771.46 = 144,297.56/x
  3. Step 3: Cross multiply
    459,828.20x = 689,771.46 × 144,297.56
  4. Step 4: Simplify right side
    459,828.20x = 99,532,337,914.15
  5. Step 5: Solve for x
    x = 99,532,337,914.15/459,828.20
  6. Step 6: Final answer
    x = 216,455.49

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1.5x scale

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.