Home / 909,902.85-1,364,362.20-377,477.70

Finding the Fourth Proportional to 909,902.85, 1,364,362.20 and 377,477.70

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Solution

The fourth proportional to 909,902.85, 1,364,362.20 and 377,477.70 is: 566,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,902.85 : 1,364,362.20 = 377,477.70 : x
  2. Step 2: Convert to fraction form
    909,902.85/1,364,362.20 = 377,477.70/x
  3. Step 3: Cross multiply
    909,902.85x = 1,364,362.20 × 377,477.70
  4. Step 4: Simplify right side
    909,902.85x = 515,016,305,222.94
  5. Step 5: Solve for x
    x = 515,016,305,222.94/909,902.85
  6. Step 6: Final answer
    x = 566,012.41

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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.