Home / 689,857.32-951,937.11-508,667.07

Finding the Fourth Proportional to 689,857.32, 951,937.11 and 508,667.07

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Solution

The fourth proportional to 689,857.32, 951,937.11 and 508,667.07 is: 701,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,857.32 : 951,937.11 = 508,667.07 : x
  2. Step 2: Convert to fraction form
    689,857.32/951,937.11 = 508,667.07/x
  3. Step 3: Cross multiply
    689,857.32x = 951,937.11 × 508,667.07
  4. Step 4: Simplify right side
    689,857.32x = 484,219,060,567.97
  5. Step 5: Solve for x
    x = 484,219,060,567.97/689,857.32
  6. Step 6: Final answer
    x = 701,911.90

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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.