Home / 434,540.20-651,032.70-367,666.60

Finding the Fourth Proportional to 434,540.20, 651,032.70 and 367,666.60

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Solution

The fourth proportional to 434,540.20, 651,032.70 and 367,666.60 is: 550,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,540.20 : 651,032.70 = 367,666.60 : x
  2. Step 2: Convert to fraction form
    434,540.20/651,032.70 = 367,666.60/x
  3. Step 3: Cross multiply
    434,540.20x = 651,032.70 × 367,666.60
  4. Step 4: Simplify right side
    434,540.20x = 239,362,979,297.82
  5. Step 5: Solve for x
    x = 239,362,979,297.82/434,540.20
  6. Step 6: Final answer
    x = 550,841.97

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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.