Home / 759,724.72-1,139,166.34-310,760.84

Finding the Fourth Proportional to 759,724.72, 1,139,166.34 and 310,760.84

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Solution

The fourth proportional to 759,724.72, 1,139,166.34 and 310,760.84 is: 465,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,724.72 : 1,139,166.34 = 310,760.84 : x
  2. Step 2: Convert to fraction form
    759,724.72/1,139,166.34 = 310,760.84/x
  3. Step 3: Cross multiply
    759,724.72x = 1,139,166.34 × 310,760.84
  4. Step 4: Simplify right side
    759,724.72x = 354,008,290,789.14
  5. Step 5: Solve for x
    x = 354,008,290,789.14/759,724.72
  6. Step 6: Final answer
    x = 465,969.16

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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.