Home / 559,500.76-839,982.78-332,211.40

Finding the Fourth Proportional to 559,500.76, 839,982.78 and 332,211.40

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Solution

The fourth proportional to 559,500.76, 839,982.78 and 332,211.40 is: 498,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,500.76 : 839,982.78 = 332,211.40 : x
  2. Step 2: Convert to fraction form
    559,500.76/839,982.78 = 332,211.40/x
  3. Step 3: Cross multiply
    559,500.76x = 839,982.78 × 332,211.40
  4. Step 4: Simplify right side
    559,500.76x = 279,051,855,319.69
  5. Step 5: Solve for x
    x = 279,051,855,319.69/559,500.76
  6. Step 6: Final answer
    x = 498,751.52

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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.