Home / 470,811.75-706,528.67-221,513.19

Finding the Fourth Proportional to 470,811.75, 706,528.67 and 221,513.19

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Solution

The fourth proportional to 470,811.75, 706,528.67 and 221,513.19 is: 332,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,811.75 : 706,528.67 = 221,513.19 : x
  2. Step 2: Convert to fraction form
    470,811.75/706,528.67 = 221,513.19/x
  3. Step 3: Cross multiply
    470,811.75x = 706,528.67 × 221,513.19
  4. Step 4: Simplify right side
    470,811.75x = 156,505,418,410.59
  5. Step 5: Solve for x
    x = 156,505,418,410.59/470,811.75
  6. Step 6: Final answer
    x = 332,416.13

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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.