Home / 676,825.20-1,014,946.20-339,735.60

Finding the Fourth Proportional to 676,825.20, 1,014,946.20 and 339,735.60

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Solution

The fourth proportional to 676,825.20, 1,014,946.20 and 339,735.60 is: 509,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,825.20 : 1,014,946.20 = 339,735.60 : x
  2. Step 2: Convert to fraction form
    676,825.20/1,014,946.20 = 339,735.60/x
  3. Step 3: Cross multiply
    676,825.20x = 1,014,946.20 × 339,735.60
  4. Step 4: Simplify right side
    676,825.20x = 344,813,356,224.72
  5. Step 5: Solve for x
    x = 344,813,356,224.72/676,825.20
  6. Step 6: Final answer
    x = 509,457.03

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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.