Home / 519,889.04-779,674.80-220,364

Finding the Fourth Proportional to 519,889.04, 779,674.80 and 220,364

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Solution

The fourth proportional to 519,889.04, 779,674.80 and 220,364 is: 330,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,889.04 : 779,674.80 = 220,364 : x
  2. Step 2: Convert to fraction form
    519,889.04/779,674.80 = 220,364/x
  3. Step 3: Cross multiply
    519,889.04x = 779,674.80 × 220,364
  4. Step 4: Simplify right side
    519,889.04x = 171,812,257,627.20
  5. Step 5: Solve for x
    x = 171,812,257,627.20/519,889.04
  6. Step 6: Final answer
    x = 330,478.71

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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.