Home / 683,285.40-1,024,928.10-459,336.60

Finding the Fourth Proportional to 683,285.40, 1,024,928.10 and 459,336.60

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Solution

The fourth proportional to 683,285.40, 1,024,928.10 and 459,336.60 is: 689,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,285.40 : 1,024,928.10 = 459,336.60 : x
  2. Step 2: Convert to fraction form
    683,285.40/1,024,928.10 = 459,336.60/x
  3. Step 3: Cross multiply
    683,285.40x = 1,024,928.10 × 459,336.60
  4. Step 4: Simplify right side
    683,285.40x = 470,786,988,698.46
  5. Step 5: Solve for x
    x = 470,786,988,698.46/683,285.40
  6. Step 6: Final answer
    x = 689,004.90

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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.