Home / 789,429.60-1,182,783.60-367,840.80

Finding the Fourth Proportional to 789,429.60, 1,182,783.60 and 367,840.80

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Solution

The fourth proportional to 789,429.60, 1,182,783.60 and 367,840.80 is: 551,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,429.60 : 1,182,783.60 = 367,840.80 : x
  2. Step 2: Convert to fraction form
    789,429.60/1,182,783.60 = 367,840.80/x
  3. Step 3: Cross multiply
    789,429.60x = 1,182,783.60 × 367,840.80
  4. Step 4: Simplify right side
    789,429.60x = 435,076,065,650.88
  5. Step 5: Solve for x
    x = 435,076,065,650.88/789,429.60
  6. Step 6: Final answer
    x = 551,127.12

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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.