Home / 980,533.90-1,470,885.63-270,561.97

Finding the Fourth Proportional to 980,533.90, 1,470,885.63 and 270,561.97

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Solution

The fourth proportional to 980,533.90, 1,470,885.63 and 270,561.97 is: 405,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,533.90 : 1,470,885.63 = 270,561.97 : x
  2. Step 2: Convert to fraction form
    980,533.90/1,470,885.63 = 270,561.97/x
  3. Step 3: Cross multiply
    980,533.90x = 1,470,885.63 × 270,561.97
  4. Step 4: Simplify right side
    980,533.90x = 397,965,713,697.49
  5. Step 5: Solve for x
    x = 397,965,713,697.49/980,533.90
  6. Step 6: Final answer
    x = 405,866.35

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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.