Home / 998,840.80-1,499,200.80-525,865.60

Finding the Fourth Proportional to 998,840.80, 1,499,200.80 and 525,865.60

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Solution

The fourth proportional to 998,840.80, 1,499,200.80 and 525,865.60 is: 789,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,840.80 : 1,499,200.80 = 525,865.60 : x
  2. Step 2: Convert to fraction form
    998,840.80/1,499,200.80 = 525,865.60/x
  3. Step 3: Cross multiply
    998,840.80x = 1,499,200.80 × 525,865.60
  4. Step 4: Simplify right side
    998,840.80x = 788,378,128,212.48
  5. Step 5: Solve for x
    x = 788,378,128,212.48/998,840.80
  6. Step 6: Final answer
    x = 789,293.08

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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.