Home / 945,980.92-1,305,484.20-538,072.30

Finding the Fourth Proportional to 945,980.92, 1,305,484.20 and 538,072.30

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Solution

The fourth proportional to 945,980.92, 1,305,484.20 and 538,072.30 is: 742,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,980.92 : 1,305,484.20 = 538,072.30 : x
  2. Step 2: Convert to fraction form
    945,980.92/1,305,484.20 = 538,072.30/x
  3. Step 3: Cross multiply
    945,980.92x = 1,305,484.20 × 538,072.30
  4. Step 4: Simplify right side
    945,980.92x = 702,444,886,107.66
  5. Step 5: Solve for x
    x = 702,444,886,107.66/945,980.92
  6. Step 6: Final answer
    x = 742,557.14

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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.