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Finding the Fourth Proportional to 522,273.70, 716,043.94 and 512,825.86

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Solution

The fourth proportional to 522,273.70, 716,043.94 and 512,825.86 is: 703,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,273.70 : 716,043.94 = 512,825.86 : x
  2. Step 2: Convert to fraction form
    522,273.70/716,043.94 = 512,825.86/x
  3. Step 3: Cross multiply
    522,273.70x = 716,043.94 × 512,825.86
  4. Step 4: Simplify right side
    522,273.70x = 367,205,849,328.29
  5. Step 5: Solve for x
    x = 367,205,849,328.29/522,273.70
  6. Step 6: Final answer
    x = 703,090.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.