Home / 846,961.40-1,168,808.72-465,012.80

Finding the Fourth Proportional to 846,961.40, 1,168,808.72 and 465,012.80

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Solution

The fourth proportional to 846,961.40, 1,168,808.72 and 465,012.80 is: 641,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,961.40 : 1,168,808.72 = 465,012.80 : x
  2. Step 2: Convert to fraction form
    846,961.40/1,168,808.72 = 465,012.80/x
  3. Step 3: Cross multiply
    846,961.40x = 1,168,808.72 × 465,012.80
  4. Step 4: Simplify right side
    846,961.40x = 543,511,015,551.62
  5. Step 5: Solve for x
    x = 543,511,015,551.62/846,961.40
  6. Step 6: Final answer
    x = 641,718.76

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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.