Home / 756,939.66-1,134,124.19-456,789.54

Finding the Fourth Proportional to 756,939.66, 1,134,124.19 and 456,789.54

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Solution

The fourth proportional to 756,939.66, 1,134,124.19 and 456,789.54 is: 684,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,939.66 : 1,134,124.19 = 456,789.54 : x
  2. Step 2: Convert to fraction form
    756,939.66/1,134,124.19 = 456,789.54/x
  3. Step 3: Cross multiply
    756,939.66x = 1,134,124.19 × 456,789.54
  4. Step 4: Simplify right side
    756,939.66x = 518,056,064,769.03
  5. Step 5: Solve for x
    x = 518,056,064,769.03/756,939.66
  6. Step 6: Final answer
    x = 684,408.67

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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.