Home / 589,061.76-812,908.49-330,949.59

Finding the Fourth Proportional to 589,061.76, 812,908.49 and 330,949.59

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Solution

The fourth proportional to 589,061.76, 812,908.49 and 330,949.59 is: 456,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,061.76 : 812,908.49 = 330,949.59 : x
  2. Step 2: Convert to fraction form
    589,061.76/812,908.49 = 330,949.59/x
  3. Step 3: Cross multiply
    589,061.76x = 812,908.49 × 330,949.59
  4. Step 4: Simplify right side
    589,061.76x = 269,031,731,473.02
  5. Step 5: Solve for x
    x = 269,031,731,473.02/589,061.76
  6. Step 6: Final answer
    x = 456,712.27

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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.