Home / 998,447.21-1,498,999.43-525,464.72

Finding the Fourth Proportional to 998,447.21, 1,498,999.43 and 525,464.72

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Solution

The fourth proportional to 998,447.21, 1,498,999.43 and 525,464.72 is: 788,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,447.21 : 1,498,999.43 = 525,464.72 : x
  2. Step 2: Convert to fraction form
    998,447.21/1,498,999.43 = 525,464.72/x
  3. Step 3: Cross multiply
    998,447.21x = 1,498,999.43 × 525,464.72
  4. Step 4: Simplify right side
    998,447.21x = 787,671,305,642.79
  5. Step 5: Solve for x
    x = 787,671,305,642.79/998,447.21
  6. Step 6: Final answer
    x = 788,896.30

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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.