Home / 855,745.10-1,283,886.24-514,581.30

Finding the Fourth Proportional to 855,745.10, 1,283,886.24 and 514,581.30

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Solution

The fourth proportional to 855,745.10, 1,283,886.24 and 514,581.30 is: 772,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,745.10 : 1,283,886.24 = 514,581.30 : x
  2. Step 2: Convert to fraction form
    855,745.10/1,283,886.24 = 514,581.30/x
  3. Step 3: Cross multiply
    855,745.10x = 1,283,886.24 × 514,581.30
  4. Step 4: Simplify right side
    855,745.10x = 660,663,850,431.31
  5. Step 5: Solve for x
    x = 660,663,850,431.31/855,745.10
  6. Step 6: Final answer
    x = 772,033.46

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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.