Home / 759,921.77-1,140,020.78-360,558.83

Finding the Fourth Proportional to 759,921.77, 1,140,020.78 and 360,558.83

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Solution

The fourth proportional to 759,921.77, 1,140,020.78 and 360,558.83 is: 540,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,921.77 : 1,140,020.78 = 360,558.83 : x
  2. Step 2: Convert to fraction form
    759,921.77/1,140,020.78 = 360,558.83/x
  3. Step 3: Cross multiply
    759,921.77x = 1,140,020.78 × 360,558.83
  4. Step 4: Simplify right side
    759,921.77x = 411,044,559,659.75
  5. Step 5: Solve for x
    x = 411,044,559,659.75/759,921.77
  6. Step 6: Final answer
    x = 540,903.78

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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.