Home / 459,834.52-689,550.69-231,989.95

Finding the Fourth Proportional to 459,834.52, 689,550.69 and 231,989.95

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Solution

The fourth proportional to 459,834.52, 689,550.69 and 231,989.95 is: 347,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,834.52 : 689,550.69 = 231,989.95 : x
  2. Step 2: Convert to fraction form
    459,834.52/689,550.69 = 231,989.95/x
  3. Step 3: Cross multiply
    459,834.52x = 689,550.69 × 231,989.95
  4. Step 4: Simplify right side
    459,834.52x = 159,968,830,095.57
  5. Step 5: Solve for x
    x = 159,968,830,095.57/459,834.52
  6. Step 6: Final answer
    x = 347,883.47

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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.