Home / 909,861.45-1,364,673.58-270,152.32

Finding the Fourth Proportional to 909,861.45, 1,364,673.58 and 270,152.32

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Solution

The fourth proportional to 909,861.45, 1,364,673.58 and 270,152.32 is: 405,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,861.45 : 1,364,673.58 = 270,152.32 : x
  2. Step 2: Convert to fraction form
    909,861.45/1,364,673.58 = 270,152.32/x
  3. Step 3: Cross multiply
    909,861.45x = 1,364,673.58 × 270,152.32
  4. Step 4: Simplify right side
    909,861.45x = 368,669,732,328.94
  5. Step 5: Solve for x
    x = 368,669,732,328.94/909,861.45
  6. Step 6: Final answer
    x = 405,193.27

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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.