Home / 683,677.60-1,024,825.20-309,968.80

Finding the Fourth Proportional to 683,677.60, 1,024,825.20 and 309,968.80

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Solution

The fourth proportional to 683,677.60, 1,024,825.20 and 309,968.80 is: 464,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,677.60 : 1,024,825.20 = 309,968.80 : x
  2. Step 2: Convert to fraction form
    683,677.60/1,024,825.20 = 309,968.80/x
  3. Step 3: Cross multiply
    683,677.60x = 1,024,825.20 × 309,968.80
  4. Step 4: Simplify right side
    683,677.60x = 317,663,837,453.76
  5. Step 5: Solve for x
    x = 317,663,837,453.76/683,677.60
  6. Step 6: Final answer
    x = 464,639.82

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1.5x scale

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.