Home / 700,266.20-1,047,980.10-419,984.60

Finding the Fourth Proportional to 700,266.20, 1,047,980.10 and 419,984.60

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Solution

The fourth proportional to 700,266.20, 1,047,980.10 and 419,984.60 is: 628,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,266.20 : 1,047,980.10 = 419,984.60 : x
  2. Step 2: Convert to fraction form
    700,266.20/1,047,980.10 = 419,984.60/x
  3. Step 3: Cross multiply
    700,266.20x = 1,047,980.10 × 419,984.60
  4. Step 4: Simplify right side
    700,266.20x = 440,135,503,106.46
  5. Step 5: Solve for x
    x = 440,135,503,106.46/700,266.20
  6. Step 6: Final answer
    x = 628,525.98

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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.