Home / 459,824.04-689,152.05-206,834.31

Finding the Fourth Proportional to 459,824.04, 689,152.05 and 206,834.31

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Solution

The fourth proportional to 459,824.04, 689,152.05 and 206,834.31 is: 309,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,824.04 : 689,152.05 = 206,834.31 : x
  2. Step 2: Convert to fraction form
    459,824.04/689,152.05 = 206,834.31/x
  3. Step 3: Cross multiply
    459,824.04x = 689,152.05 × 206,834.31
  4. Step 4: Simplify right side
    459,824.04x = 142,540,288,746.84
  5. Step 5: Solve for x
    x = 142,540,288,746.84/459,824.04
  6. Step 6: Final answer
    x = 309,988.77

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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.