Home / 985,596.72-1,478,577.43-311,847.62

Finding the Fourth Proportional to 985,596.72, 1,478,577.43 and 311,847.62

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Solution

The fourth proportional to 985,596.72, 1,478,577.43 and 311,847.62 is: 467,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,596.72 : 1,478,577.43 = 311,847.62 : x
  2. Step 2: Convert to fraction form
    985,596.72/1,478,577.43 = 311,847.62/x
  3. Step 3: Cross multiply
    985,596.72x = 1,478,577.43 × 311,847.62
  4. Step 4: Simplify right side
    985,596.72x = 461,090,852,531.22
  5. Step 5: Solve for x
    x = 461,090,852,531.22/985,596.72
  6. Step 6: Final answer
    x = 467,829.13

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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.