Home / 780,764.56-1,171,263.48-248,302.96

Finding the Fourth Proportional to 780,764.56, 1,171,263.48 and 248,302.96

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Solution

The fourth proportional to 780,764.56, 1,171,263.48 and 248,302.96 is: 372,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,764.56 : 1,171,263.48 = 248,302.96 : x
  2. Step 2: Convert to fraction form
    780,764.56/1,171,263.48 = 248,302.96/x
  3. Step 3: Cross multiply
    780,764.56x = 1,171,263.48 × 248,302.96
  4. Step 4: Simplify right side
    780,764.56x = 290,828,189,023.90
  5. Step 5: Solve for x
    x = 290,828,189,023.90/780,764.56
  6. Step 6: Final answer
    x = 372,491.53

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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.