Home / 702,665.61-1,053,840.67-323,221.92

Finding the Fourth Proportional to 702,665.61, 1,053,840.67 and 323,221.92

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Solution

The fourth proportional to 702,665.61, 1,053,840.67 and 323,221.92 is: 484,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,665.61 : 1,053,840.67 = 323,221.92 : x
  2. Step 2: Convert to fraction form
    702,665.61/1,053,840.67 = 323,221.92/x
  3. Step 3: Cross multiply
    702,665.61x = 1,053,840.67 × 323,221.92
  4. Step 4: Simplify right side
    702,665.61x = 340,624,407,366.09
  5. Step 5: Solve for x
    x = 340,624,407,366.09/702,665.61
  6. Step 6: Final answer
    x = 484,760.32

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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.