Home / 809,265.40-1,116,100.62-486,915.27

Finding the Fourth Proportional to 809,265.40, 1,116,100.62 and 486,915.27

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Solution

The fourth proportional to 809,265.40, 1,116,100.62 and 486,915.27 is: 671,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,265.40 : 1,116,100.62 = 486,915.27 : x
  2. Step 2: Convert to fraction form
    809,265.40/1,116,100.62 = 486,915.27/x
  3. Step 3: Cross multiply
    809,265.40x = 1,116,100.62 × 486,915.27
  4. Step 4: Simplify right side
    809,265.40x = 543,446,434,734.47
  5. Step 5: Solve for x
    x = 543,446,434,734.47/809,265.40
  6. Step 6: Final answer
    x = 671,530.54

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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.