Home / 756,190.38-1,134,758.40-306,911.19

Finding the Fourth Proportional to 756,190.38, 1,134,758.40 and 306,911.19

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Solution

The fourth proportional to 756,190.38, 1,134,758.40 and 306,911.19 is: 460,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,190.38 : 1,134,758.40 = 306,911.19 : x
  2. Step 2: Convert to fraction form
    756,190.38/1,134,758.40 = 306,911.19/x
  3. Step 3: Cross multiply
    756,190.38x = 1,134,758.40 × 306,911.19
  4. Step 4: Simplify right side
    756,190.38x = 348,270,050,906.50
  5. Step 5: Solve for x
    x = 348,270,050,906.50/756,190.38
  6. Step 6: Final answer
    x = 460,558.69

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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.