Home / 551,492.43-761,078.03-306,487.51

Finding the Fourth Proportional to 551,492.43, 761,078.03 and 306,487.51

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Solution

The fourth proportional to 551,492.43, 761,078.03 and 306,487.51 is: 422,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,492.43 : 761,078.03 = 306,487.51 : x
  2. Step 2: Convert to fraction form
    551,492.43/761,078.03 = 306,487.51/x
  3. Step 3: Cross multiply
    551,492.43x = 761,078.03 × 306,487.51
  4. Step 4: Simplify right side
    551,492.43x = 233,260,907,757.27
  5. Step 5: Solve for x
    x = 233,260,907,757.27/551,492.43
  6. Step 6: Final answer
    x = 422,963.03

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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.