Home / 980,560.40-1,470,925.38-270,588.47

Finding the Fourth Proportional to 980,560.40, 1,470,925.38 and 270,588.47

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Solution

The fourth proportional to 980,560.40, 1,470,925.38 and 270,588.47 is: 405,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,560.40 : 1,470,925.38 = 270,588.47 : x
  2. Step 2: Convert to fraction form
    980,560.40/1,470,925.38 = 270,588.47/x
  3. Step 3: Cross multiply
    980,560.40x = 1,470,925.38 × 270,588.47
  4. Step 4: Simplify right side
    980,560.40x = 398,015,448,058.37
  5. Step 5: Solve for x
    x = 398,015,448,058.37/980,560.40
  6. Step 6: Final answer
    x = 405,906.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.