Home / 980,465.60-1,470,783.11-270,493.63

Finding the Fourth Proportional to 980,465.60, 1,470,783.11 and 270,493.63

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Solution

The fourth proportional to 980,465.60, 1,470,783.11 and 270,493.63 is: 405,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,465.60 : 1,470,783.11 = 270,493.63 : x
  2. Step 2: Convert to fraction form
    980,465.60/1,470,783.11 = 270,493.63/x
  3. Step 3: Cross multiply
    980,465.60x = 1,470,783.11 × 270,493.63
  4. Step 4: Simplify right side
    980,465.60x = 397,837,462,366.59
  5. Step 5: Solve for x
    x = 397,837,462,366.59/980,465.60
  6. Step 6: Final answer
    x = 405,763.82

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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.