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Finding the Fourth Proportional to 340,404.30, 509,622.30 and 330,562.80

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Solution

The fourth proportional to 340,404.30, 509,622.30 and 330,562.80 is: 494,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,404.30 : 509,622.30 = 330,562.80 : x
  2. Step 2: Convert to fraction form
    340,404.30/509,622.30 = 330,562.80/x
  3. Step 3: Cross multiply
    340,404.30x = 509,622.30 × 330,562.80
  4. Step 4: Simplify right side
    340,404.30x = 168,462,174,430.44
  5. Step 5: Solve for x
    x = 168,462,174,430.44/340,404.30
  6. Step 6: Final answer
    x = 494,888.50

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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.