Home / 697,142.56-1,045,492.39-223,717.20

Finding the Fourth Proportional to 697,142.56, 1,045,492.39 and 223,717.20

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Solution

The fourth proportional to 697,142.56, 1,045,492.39 and 223,717.20 is: 335,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,142.56 : 1,045,492.39 = 223,717.20 : x
  2. Step 2: Convert to fraction form
    697,142.56/1,045,492.39 = 223,717.20/x
  3. Step 3: Cross multiply
    697,142.56x = 1,045,492.39 × 223,717.20
  4. Step 4: Simplify right side
    697,142.56x = 233,894,630,112.11
  5. Step 5: Solve for x
    x = 233,894,630,112.11/697,142.56
  6. Step 6: Final answer
    x = 335,504.74

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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.