Home / 873,126.06-1,309,689.41-392,792.82

Finding the Fourth Proportional to 873,126.06, 1,309,689.41 and 392,792.82

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Solution

The fourth proportional to 873,126.06, 1,309,689.41 and 392,792.82 is: 589,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,126.06 : 1,309,689.41 = 392,792.82 : x
  2. Step 2: Convert to fraction form
    873,126.06/1,309,689.41 = 392,792.82/x
  3. Step 3: Cross multiply
    873,126.06x = 1,309,689.41 × 392,792.82
  4. Step 4: Simplify right side
    873,126.06x = 514,436,594,714.07
  5. Step 5: Solve for x
    x = 514,436,594,714.07/873,126.06
  6. Step 6: Final answer
    x = 589,189.37

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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.