Home / 849,865.72-1,172,811.36-467,892.76

Finding the Fourth Proportional to 849,865.72, 1,172,811.36 and 467,892.76

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Solution

The fourth proportional to 849,865.72, 1,172,811.36 and 467,892.76 is: 645,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,865.72 : 1,172,811.36 = 467,892.76 : x
  2. Step 2: Convert to fraction form
    849,865.72/1,172,811.36 = 467,892.76/x
  3. Step 3: Cross multiply
    849,865.72x = 1,172,811.36 × 467,892.76
  4. Step 4: Simplify right side
    849,865.72x = 548,749,944,189.75
  5. Step 5: Solve for x
    x = 548,749,944,189.75/849,865.72
  6. Step 6: Final answer
    x = 645,690.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.