Home / 398,721.04-597,628.96-350,596.51

Finding the Fourth Proportional to 398,721.04, 597,628.96 and 350,596.51

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Solution

The fourth proportional to 398,721.04, 597,628.96 and 350,596.51 is: 525,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,721.04 : 597,628.96 = 350,596.51 : x
  2. Step 2: Convert to fraction form
    398,721.04/597,628.96 = 350,596.51/x
  3. Step 3: Cross multiply
    398,721.04x = 597,628.96 × 350,596.51
  4. Step 4: Simplify right side
    398,721.04x = 209,526,625,280.37
  5. Step 5: Solve for x
    x = 209,526,625,280.37/398,721.04
  6. Step 6: Final answer
    x = 525,496.79

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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.