Home / 890,928.20-1,336,554.30-291,722.60

Finding the Fourth Proportional to 890,928.20, 1,336,554.30 and 291,722.60

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Solution

The fourth proportional to 890,928.20, 1,336,554.30 and 291,722.60 is: 437,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,928.20 : 1,336,554.30 = 291,722.60 : x
  2. Step 2: Convert to fraction form
    890,928.20/1,336,554.30 = 291,722.60/x
  3. Step 3: Cross multiply
    890,928.20x = 1,336,554.30 × 291,722.60
  4. Step 4: Simplify right side
    890,928.20x = 389,903,095,437.18
  5. Step 5: Solve for x
    x = 389,903,095,437.18/890,928.20
  6. Step 6: Final answer
    x = 437,636.94

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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.