Home / 648,772.15-973,366.45-311,837.26

Finding the Fourth Proportional to 648,772.15, 973,366.45 and 311,837.26

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Solution

The fourth proportional to 648,772.15, 973,366.45 and 311,837.26 is: 467,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,772.15 : 973,366.45 = 311,837.26 : x
  2. Step 2: Convert to fraction form
    648,772.15/973,366.45 = 311,837.26/x
  3. Step 3: Cross multiply
    648,772.15x = 973,366.45 × 311,837.26
  4. Step 4: Simplify right side
    648,772.15x = 303,531,926,743.93
  5. Step 5: Solve for x
    x = 303,531,926,743.93/648,772.15
  6. Step 6: Final answer
    x = 467,855.97

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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.