Home / 759,908.73-1,139,441.90-310,944.36

Finding the Fourth Proportional to 759,908.73, 1,139,441.90 and 310,944.36

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Solution

The fourth proportional to 759,908.73, 1,139,441.90 and 310,944.36 is: 466,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,908.73 : 1,139,441.90 = 310,944.36 : x
  2. Step 2: Convert to fraction form
    759,908.73/1,139,441.90 = 310,944.36/x
  3. Step 3: Cross multiply
    759,908.73x = 1,139,441.90 × 310,944.36
  4. Step 4: Simplify right side
    759,908.73x = 354,303,030,797.96
  5. Step 5: Solve for x
    x = 354,303,030,797.96/759,908.73
  6. Step 6: Final answer
    x = 466,244.19

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Double scale
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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.