Home / 689,095.56-1,032,590.70-289,517.88

Finding the Fourth Proportional to 689,095.56, 1,032,590.70 and 289,517.88

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Solution

The fourth proportional to 689,095.56, 1,032,590.70 and 289,517.88 is: 433,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,095.56 : 1,032,590.70 = 289,517.88 : x
  2. Step 2: Convert to fraction form
    689,095.56/1,032,590.70 = 289,517.88/x
  3. Step 3: Cross multiply
    689,095.56x = 1,032,590.70 × 289,517.88
  4. Step 4: Simplify right side
    689,095.56x = 298,953,470,371.72
  5. Step 5: Solve for x
    x = 298,953,470,371.72/689,095.56
  6. Step 6: Final answer
    x = 433,834.56

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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.