Home / 354,563.40-531,845.10-340,566.60

Finding the Fourth Proportional to 354,563.40, 531,845.10 and 340,566.60

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Solution

The fourth proportional to 354,563.40, 531,845.10 and 340,566.60 is: 510,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,563.40 : 531,845.10 = 340,566.60 : x
  2. Step 2: Convert to fraction form
    354,563.40/531,845.10 = 340,566.60/x
  3. Step 3: Cross multiply
    354,563.40x = 531,845.10 × 340,566.60
  4. Step 4: Simplify right side
    354,563.40x = 181,128,677,433.66
  5. Step 5: Solve for x
    x = 181,128,677,433.66/354,563.40
  6. Step 6: Final answer
    x = 510,849.90

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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.