Home / 920,904-1,381,434.24-256,056

Finding the Fourth Proportional to 920,904, 1,381,434.24 and 256,056

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Solution

The fourth proportional to 920,904, 1,381,434.24 and 256,056 is: 384,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,904 : 1,381,434.24 = 256,056 : x
  2. Step 2: Convert to fraction form
    920,904/1,381,434.24 = 256,056/x
  3. Step 3: Cross multiply
    920,904x = 1,381,434.24 × 256,056
  4. Step 4: Simplify right side
    920,904x = 353,724,525,757.44
  5. Step 5: Solve for x
    x = 353,724,525,757.44/920,904
  6. Step 6: Final answer
    x = 384,105.75

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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.