Home / 789,048.20-1,182,794.70-389,750.60

Finding the Fourth Proportional to 789,048.20, 1,182,794.70 and 389,750.60

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Solution

The fourth proportional to 789,048.20, 1,182,794.70 and 389,750.60 is: 584,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,048.20 : 1,182,794.70 = 389,750.60 : x
  2. Step 2: Convert to fraction form
    789,048.20/1,182,794.70 = 389,750.60/x
  3. Step 3: Cross multiply
    789,048.20x = 1,182,794.70 × 389,750.60
  4. Step 4: Simplify right side
    789,048.20x = 460,994,944,001.82
  5. Step 5: Solve for x
    x = 460,994,944,001.82/789,048.20
  6. Step 6: Final answer
    x = 584,241.80

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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.