Home / 913,290.36-1,260,847.44-550,806.42

Finding the Fourth Proportional to 913,290.36, 1,260,847.44 and 550,806.42

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Solution

The fourth proportional to 913,290.36, 1,260,847.44 and 550,806.42 is: 760,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,290.36 : 1,260,847.44 = 550,806.42 : x
  2. Step 2: Convert to fraction form
    913,290.36/1,260,847.44 = 550,806.42/x
  3. Step 3: Cross multiply
    913,290.36x = 1,260,847.44 × 550,806.42
  4. Step 4: Simplify right side
    913,290.36x = 694,482,864,592.57
  5. Step 5: Solve for x
    x = 694,482,864,592.57/913,290.36
  6. Step 6: Final answer
    x = 760,418.48

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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.