Home / 741,302.20-1,111,953.30-488,922.40

Finding the Fourth Proportional to 741,302.20, 1,111,953.30 and 488,922.40

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Solution

The fourth proportional to 741,302.20, 1,111,953.30 and 488,922.40 is: 733,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,302.20 : 1,111,953.30 = 488,922.40 : x
  2. Step 2: Convert to fraction form
    741,302.20/1,111,953.30 = 488,922.40/x
  3. Step 3: Cross multiply
    741,302.20x = 1,111,953.30 × 488,922.40
  4. Step 4: Simplify right side
    741,302.20x = 543,658,876,123.92
  5. Step 5: Solve for x
    x = 543,658,876,123.92/741,302.20
  6. Step 6: Final answer
    x = 733,383.60

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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.