Home / 909,619.20-1,365,303.60-460,846.80

Finding the Fourth Proportional to 909,619.20, 1,365,303.60 and 460,846.80

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Solution

The fourth proportional to 909,619.20, 1,365,303.60 and 460,846.80 is: 691,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,619.20 : 1,365,303.60 = 460,846.80 : x
  2. Step 2: Convert to fraction form
    909,619.20/1,365,303.60 = 460,846.80/x
  3. Step 3: Cross multiply
    909,619.20x = 1,365,303.60 × 460,846.80
  4. Step 4: Simplify right side
    909,619.20x = 629,195,795,088.48
  5. Step 5: Solve for x
    x = 629,195,795,088.48/909,619.20
  6. Step 6: Final answer
    x = 691,713.41

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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.