Home / 751,002.40-1,126,503.60-550,235.80

Finding the Fourth Proportional to 751,002.40, 1,126,503.60 and 550,235.80

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Solution

The fourth proportional to 751,002.40, 1,126,503.60 and 550,235.80 is: 825,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,002.40 : 1,126,503.60 = 550,235.80 : x
  2. Step 2: Convert to fraction form
    751,002.40/1,126,503.60 = 550,235.80/x
  3. Step 3: Cross multiply
    751,002.40x = 1,126,503.60 × 550,235.80
  4. Step 4: Simplify right side
    751,002.40x = 619,842,609,548.88
  5. Step 5: Solve for x
    x = 619,842,609,548.88/751,002.40
  6. Step 6: Final answer
    x = 825,353.70

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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.