Home / 397,526.58-548,491.77-268,705.26

Finding the Fourth Proportional to 397,526.58, 548,491.77 and 268,705.26

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Solution

The fourth proportional to 397,526.58, 548,491.77 and 268,705.26 is: 370,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,526.58 : 548,491.77 = 268,705.26 : x
  2. Step 2: Convert to fraction form
    397,526.58/548,491.77 = 268,705.26/x
  3. Step 3: Cross multiply
    397,526.58x = 548,491.77 × 268,705.26
  4. Step 4: Simplify right side
    397,526.58x = 147,382,623,665.71
  5. Step 5: Solve for x
    x = 147,382,623,665.71/397,526.58
  6. Step 6: Final answer
    x = 370,749.10

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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.