Home / 460,976.04-636,089.22-256,977

Finding the Fourth Proportional to 460,976.04, 636,089.22 and 256,977

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Solution

The fourth proportional to 460,976.04, 636,089.22 and 256,977 is: 354,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,976.04 : 636,089.22 = 256,977 : x
  2. Step 2: Convert to fraction form
    460,976.04/636,089.22 = 256,977/x
  3. Step 3: Cross multiply
    460,976.04x = 636,089.22 × 256,977
  4. Step 4: Simplify right side
    460,976.04x = 163,460,299,487.94
  5. Step 5: Solve for x
    x = 163,460,299,487.94/460,976.04
  6. Step 6: Final answer
    x = 354,596.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.