Home / 800,901.48-1,200,087.66-650,409.48

Finding the Fourth Proportional to 800,901.48, 1,200,087.66 and 650,409.48

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Solution

The fourth proportional to 800,901.48, 1,200,087.66 and 650,409.48 is: 974,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,901.48 : 1,200,087.66 = 650,409.48 : x
  2. Step 2: Convert to fraction form
    800,901.48/1,200,087.66 = 650,409.48/x
  3. Step 3: Cross multiply
    800,901.48x = 1,200,087.66 × 650,409.48
  4. Step 4: Simplify right side
    800,901.48x = 780,548,390,895.02
  5. Step 5: Solve for x
    x = 780,548,390,895.02/800,901.48
  6. Step 6: Final answer
    x = 974,587.27

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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.