Home / 684,315.47-1,026,619.92-204,580.82

Finding the Fourth Proportional to 684,315.47, 1,026,619.92 and 204,580.82

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Solution

The fourth proportional to 684,315.47, 1,026,619.92 and 204,580.82 is: 306,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,315.47 : 1,026,619.92 = 204,580.82 : x
  2. Step 2: Convert to fraction form
    684,315.47/1,026,619.92 = 204,580.82/x
  3. Step 3: Cross multiply
    684,315.47x = 1,026,619.92 × 204,580.82
  4. Step 4: Simplify right side
    684,315.47x = 210,026,747,628.48
  5. Step 5: Solve for x
    x = 210,026,747,628.48/684,315.47
  6. Step 6: Final answer
    x = 306,915.09

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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.