Home / 347,834.40-521,751.60-324,333.60

Finding the Fourth Proportional to 347,834.40, 521,751.60 and 324,333.60

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Solution

The fourth proportional to 347,834.40, 521,751.60 and 324,333.60 is: 486,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,834.40 : 521,751.60 = 324,333.60 : x
  2. Step 2: Convert to fraction form
    347,834.40/521,751.60 = 324,333.60/x
  3. Step 3: Cross multiply
    347,834.40x = 521,751.60 × 324,333.60
  4. Step 4: Simplify right side
    347,834.40x = 169,221,574,733.76
  5. Step 5: Solve for x
    x = 169,221,574,733.76/347,834.40
  6. Step 6: Final answer
    x = 486,500.40

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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.