Home / 862,896.84-1,190,849.22-480,922.74

Finding the Fourth Proportional to 862,896.84, 1,190,849.22 and 480,922.74

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Solution

The fourth proportional to 862,896.84, 1,190,849.22 and 480,922.74 is: 663,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,896.84 : 1,190,849.22 = 480,922.74 : x
  2. Step 2: Convert to fraction form
    862,896.84/1,190,849.22 = 480,922.74/x
  3. Step 3: Cross multiply
    862,896.84x = 1,190,849.22 × 480,922.74
  4. Step 4: Simplify right side
    862,896.84x = 572,706,469,809.26
  5. Step 5: Solve for x
    x = 572,706,469,809.26/862,896.84
  6. Step 6: Final answer
    x = 663,702.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.