Home / 646,977.56-892,832.62-375,206.62

Finding the Fourth Proportional to 646,977.56, 892,832.62 and 375,206.62

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Solution

The fourth proportional to 646,977.56, 892,832.62 and 375,206.62 is: 517,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,977.56 : 892,832.62 = 375,206.62 : x
  2. Step 2: Convert to fraction form
    646,977.56/892,832.62 = 375,206.62/x
  3. Step 3: Cross multiply
    646,977.56x = 892,832.62 × 375,206.62
  4. Step 4: Simplify right side
    646,977.56x = 334,996,709,575.94
  5. Step 5: Solve for x
    x = 334,996,709,575.94/646,977.56
  6. Step 6: Final answer
    x = 517,787.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.