Home / 746,629.60-1,119,944.40-214,103.20

Finding the Fourth Proportional to 746,629.60, 1,119,944.40 and 214,103.20

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Solution

The fourth proportional to 746,629.60, 1,119,944.40 and 214,103.20 is: 321,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,629.60 : 1,119,944.40 = 214,103.20 : x
  2. Step 2: Convert to fraction form
    746,629.60/1,119,944.40 = 214,103.20/x
  3. Step 3: Cross multiply
    746,629.60x = 1,119,944.40 × 214,103.20
  4. Step 4: Simplify right side
    746,629.60x = 239,783,679,862.08
  5. Step 5: Solve for x
    x = 239,783,679,862.08/746,629.60
  6. Step 6: Final answer
    x = 321,154.80

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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.