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Finding the Fourth Proportional to 675,004.70, 1,012,519.05 and 201,695.90

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Solution

The fourth proportional to 675,004.70, 1,012,519.05 and 201,695.90 is: 302,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,004.70 : 1,012,519.05 = 201,695.90 : x
  2. Step 2: Convert to fraction form
    675,004.70/1,012,519.05 = 201,695.90/x
  3. Step 3: Cross multiply
    675,004.70x = 1,012,519.05 × 201,695.90
  4. Step 4: Simplify right side
    675,004.70x = 204,220,941,056.90
  5. Step 5: Solve for x
    x = 204,220,941,056.90/675,004.70
  6. Step 6: Final answer
    x = 302,547.44

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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.