Home / 782,043.94-1,079,237.28-442,512.19

Finding the Fourth Proportional to 782,043.94, 1,079,237.28 and 442,512.19

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Solution

The fourth proportional to 782,043.94, 1,079,237.28 and 442,512.19 is: 610,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,043.94 : 1,079,237.28 = 442,512.19 : x
  2. Step 2: Convert to fraction form
    782,043.94/1,079,237.28 = 442,512.19/x
  3. Step 3: Cross multiply
    782,043.94x = 1,079,237.28 × 442,512.19
  4. Step 4: Simplify right side
    782,043.94x = 477,575,652,302.44
  5. Step 5: Solve for x
    x = 477,575,652,302.44/782,043.94
  6. Step 6: Final answer
    x = 610,676.24

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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.