Home / 413,210.60-619,815.90-308,234.60

Finding the Fourth Proportional to 413,210.60, 619,815.90 and 308,234.60

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Solution

The fourth proportional to 413,210.60, 619,815.90 and 308,234.60 is: 462,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,210.60 : 619,815.90 = 308,234.60 : x
  2. Step 2: Convert to fraction form
    413,210.60/619,815.90 = 308,234.60/x
  3. Step 3: Cross multiply
    413,210.60x = 619,815.90 × 308,234.60
  4. Step 4: Simplify right side
    413,210.60x = 191,048,706,010.14
  5. Step 5: Solve for x
    x = 191,048,706,010.14/413,210.60
  6. Step 6: Final answer
    x = 462,351.90

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Similar ratio
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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.