Home / 393,664.60-589,622.10-304,629.40

Finding the Fourth Proportional to 393,664.60, 589,622.10 and 304,629.40

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Solution

The fourth proportional to 393,664.60, 589,622.10 and 304,629.40 is: 456,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,664.60 : 589,622.10 = 304,629.40 : x
  2. Step 2: Convert to fraction form
    393,664.60/589,622.10 = 304,629.40/x
  3. Step 3: Cross multiply
    393,664.60x = 589,622.10 × 304,629.40
  4. Step 4: Simplify right side
    393,664.60x = 179,616,226,549.74
  5. Step 5: Solve for x
    x = 179,616,226,549.74/393,664.60
  6. Step 6: Final answer
    x = 456,267.15

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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.