Home / 938,664.06-1,295,276.31-530,745.90

Finding the Fourth Proportional to 938,664.06, 1,295,276.31 and 530,745.90

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Solution

The fourth proportional to 938,664.06, 1,295,276.31 and 530,745.90 is: 732,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,664.06 : 1,295,276.31 = 530,745.90 : x
  2. Step 2: Convert to fraction form
    938,664.06/1,295,276.31 = 530,745.90/x
  3. Step 3: Cross multiply
    938,664.06x = 1,295,276.31 × 530,745.90
  4. Step 4: Simplify right side
    938,664.06x = 687,462,590,899.63
  5. Step 5: Solve for x
    x = 687,462,590,899.63/938,664.06
  6. Step 6: Final answer
    x = 732,384.06

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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.