Home / 901,961.86-1,353,136.68-262,276.72

Finding the Fourth Proportional to 901,961.86, 1,353,136.68 and 262,276.72

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Solution

The fourth proportional to 901,961.86, 1,353,136.68 and 262,276.72 is: 393,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,961.86 : 1,353,136.68 = 262,276.72 : x
  2. Step 2: Convert to fraction form
    901,961.86/1,353,136.68 = 262,276.72/x
  3. Step 3: Cross multiply
    901,961.86x = 1,353,136.68 × 262,276.72
  4. Step 4: Simplify right side
    901,961.86x = 354,896,250,142.09
  5. Step 5: Solve for x
    x = 354,896,250,142.09/901,961.86
  6. Step 6: Final answer
    x = 393,471.46

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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.