Home / 809,323.84-1,116,928.74-446,817.52

Finding the Fourth Proportional to 809,323.84, 1,116,928.74 and 446,817.52

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Solution

The fourth proportional to 809,323.84, 1,116,928.74 and 446,817.52 is: 616,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,323.84 : 1,116,928.74 = 446,817.52 : x
  2. Step 2: Convert to fraction form
    809,323.84/1,116,928.74 = 446,817.52/x
  3. Step 3: Cross multiply
    809,323.84x = 1,116,928.74 × 446,817.52
  4. Step 4: Simplify right side
    809,323.84x = 499,063,329,623.53
  5. Step 5: Solve for x
    x = 499,063,329,623.53/809,323.84
  6. Step 6: Final answer
    x = 616,642.32

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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.