Home / 589,141.83-812,965.80-330,998.61

Finding the Fourth Proportional to 589,141.83, 812,965.80 and 330,998.61

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Solution

The fourth proportional to 589,141.83, 812,965.80 and 330,998.61 is: 456,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,141.83 : 812,965.80 = 330,998.61 : x
  2. Step 2: Convert to fraction form
    589,141.83/812,965.80 = 330,998.61/x
  3. Step 3: Cross multiply
    589,141.83x = 812,965.80 × 330,998.61
  4. Step 4: Simplify right side
    589,141.83x = 269,090,549,777.54
  5. Step 5: Solve for x
    x = 269,090,549,777.54/589,141.83
  6. Step 6: Final answer
    x = 456,750.03

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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.