Home / 985,664.17-1,478,273.28-452,672.83

Finding the Fourth Proportional to 985,664.17, 1,478,273.28 and 452,672.83

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Solution

The fourth proportional to 985,664.17, 1,478,273.28 and 452,672.83 is: 678,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,664.17 : 1,478,273.28 = 452,672.83 : x
  2. Step 2: Convert to fraction form
    985,664.17/1,478,273.28 = 452,672.83/x
  3. Step 3: Cross multiply
    985,664.17x = 1,478,273.28 × 452,672.83
  4. Step 4: Simplify right side
    985,664.17x = 669,174,149,170.98
  5. Step 5: Solve for x
    x = 669,174,149,170.98/985,664.17
  6. Step 6: Final answer
    x = 678,906.84

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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.