Home / 759,305.07-1,139,517.12-359,944.29

Finding the Fourth Proportional to 759,305.07, 1,139,517.12 and 359,944.29

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Solution

The fourth proportional to 759,305.07, 1,139,517.12 and 359,944.29 is: 540,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,305.07 : 1,139,517.12 = 359,944.29 : x
  2. Step 2: Convert to fraction form
    759,305.07/1,139,517.12 = 359,944.29/x
  3. Step 3: Cross multiply
    759,305.07x = 1,139,517.12 × 359,944.29
  4. Step 4: Simplify right side
    759,305.07x = 410,162,680,701.25
  5. Step 5: Solve for x
    x = 410,162,680,701.25/759,305.07
  6. Step 6: Final answer
    x = 540,181.67

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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.