Home / 746,740.40-1,119,430.20-273,311.60

Finding the Fourth Proportional to 746,740.40, 1,119,430.20 and 273,311.60

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Solution

The fourth proportional to 746,740.40, 1,119,430.20 and 273,311.60 is: 409,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,740.40 : 1,119,430.20 = 273,311.60 : x
  2. Step 2: Convert to fraction form
    746,740.40/1,119,430.20 = 273,311.60/x
  3. Step 3: Cross multiply
    746,740.40x = 1,119,430.20 × 273,311.60
  4. Step 4: Simplify right side
    746,740.40x = 305,953,259,050.32
  5. Step 5: Solve for x
    x = 305,953,259,050.32/746,740.40
  6. Step 6: Final answer
    x = 409,718.37

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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.