Home / 915,122.72-1,372,664.64-250,274.72

Finding the Fourth Proportional to 915,122.72, 1,372,664.64 and 250,274.72

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Solution

The fourth proportional to 915,122.72, 1,372,664.64 and 250,274.72 is: 375,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,122.72 : 1,372,664.64 = 250,274.72 : x
  2. Step 2: Convert to fraction form
    915,122.72/1,372,664.64 = 250,274.72/x
  3. Step 3: Cross multiply
    915,122.72x = 1,372,664.64 × 250,274.72
  4. Step 4: Simplify right side
    915,122.72x = 343,543,258,429.90
  5. Step 5: Solve for x
    x = 343,543,258,429.90/915,122.72
  6. Step 6: Final answer
    x = 375,406.76

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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.