Home / 675,011.20-1,012,528.80-201,702.40

Finding the Fourth Proportional to 675,011.20, 1,012,528.80 and 201,702.40

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Solution

The fourth proportional to 675,011.20, 1,012,528.80 and 201,702.40 is: 302,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,011.20 : 1,012,528.80 = 201,702.40 : x
  2. Step 2: Convert to fraction form
    675,011.20/1,012,528.80 = 201,702.40/x
  3. Step 3: Cross multiply
    675,011.20x = 1,012,528.80 × 201,702.40
  4. Step 4: Simplify right side
    675,011.20x = 204,229,489,029.12
  5. Step 5: Solve for x
    x = 204,229,489,029.12/675,011.20
  6. Step 6: Final answer
    x = 302,557.19

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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.