Home / 683,698.46-1,024,890.37-459,121.50

Finding the Fourth Proportional to 683,698.46, 1,024,890.37 and 459,121.50

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Solution

The fourth proportional to 683,698.46, 1,024,890.37 and 459,121.50 is: 688,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,698.46 : 1,024,890.37 = 459,121.50 : x
  2. Step 2: Convert to fraction form
    683,698.46/1,024,890.37 = 459,121.50/x
  3. Step 3: Cross multiply
    683,698.46x = 1,024,890.37 × 459,121.50
  4. Step 4: Simplify right side
    683,698.46x = 470,549,202,862.15
  5. Step 5: Solve for x
    x = 470,549,202,862.15/683,698.46
  6. Step 6: Final answer
    x = 688,240.85

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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.