Home / 705,027.11-972,834.76-403,162.79

Finding the Fourth Proportional to 705,027.11, 972,834.76 and 403,162.79

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Solution

The fourth proportional to 705,027.11, 972,834.76 and 403,162.79 is: 556,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,027.11 : 972,834.76 = 403,162.79 : x
  2. Step 2: Convert to fraction form
    705,027.11/972,834.76 = 403,162.79/x
  3. Step 3: Cross multiply
    705,027.11x = 972,834.76 × 403,162.79
  4. Step 4: Simplify right side
    705,027.11x = 392,210,777,474.76
  5. Step 5: Solve for x
    x = 392,210,777,474.76/705,027.11
  6. Step 6: Final answer
    x = 556,305.95

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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.