Home / 761,330.40-1,141,904.40-200,409.12

Finding the Fourth Proportional to 761,330.40, 1,141,904.40 and 200,409.12

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Solution

The fourth proportional to 761,330.40, 1,141,904.40 and 200,409.12 is: 300,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,330.40 : 1,141,904.40 = 200,409.12 : x
  2. Step 2: Convert to fraction form
    761,330.40/1,141,904.40 = 200,409.12/x
  3. Step 3: Cross multiply
    761,330.40x = 1,141,904.40 × 200,409.12
  4. Step 4: Simplify right side
    761,330.40x = 228,848,055,928.13
  5. Step 5: Solve for x
    x = 228,848,055,928.13/761,330.40
  6. Step 6: Final answer
    x = 300,589.67

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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.