Home / 919,205.70-1,377,168.30-444,845.40

Finding the Fourth Proportional to 919,205.70, 1,377,168.30 and 444,845.40

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Solution

The fourth proportional to 919,205.70, 1,377,168.30 and 444,845.40 is: 666,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,205.70 : 1,377,168.30 = 444,845.40 : x
  2. Step 2: Convert to fraction form
    919,205.70/1,377,168.30 = 444,845.40/x
  3. Step 3: Cross multiply
    919,205.70x = 1,377,168.30 × 444,845.40
  4. Step 4: Simplify right side
    919,205.70x = 612,626,983,280.82
  5. Step 5: Solve for x
    x = 612,626,983,280.82/919,205.70
  6. Step 6: Final answer
    x = 666,474.31

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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.