Home / 985,279.44-1,477,910.24-311,360.88

Finding the Fourth Proportional to 985,279.44, 1,477,910.24 and 311,360.88

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Solution

The fourth proportional to 985,279.44, 1,477,910.24 and 311,360.88 is: 467,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,279.44 : 1,477,910.24 = 311,360.88 : x
  2. Step 2: Convert to fraction form
    985,279.44/1,477,910.24 = 311,360.88/x
  3. Step 3: Cross multiply
    985,279.44x = 1,477,910.24 × 311,360.88
  4. Step 4: Simplify right side
    985,279.44x = 460,163,432,887.41
  5. Step 5: Solve for x
    x = 460,163,432,887.41/985,279.44
  6. Step 6: Final answer
    x = 467,038.50

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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.