Home / 788,998.80-1,182,842.10-415,021.80

Finding the Fourth Proportional to 788,998.80, 1,182,842.10 and 415,021.80

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Solution

The fourth proportional to 788,998.80, 1,182,842.10 and 415,021.80 is: 622,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,998.80 : 1,182,842.10 = 415,021.80 : x
  2. Step 2: Convert to fraction form
    788,998.80/1,182,842.10 = 415,021.80/x
  3. Step 3: Cross multiply
    788,998.80x = 1,182,842.10 × 415,021.80
  4. Step 4: Simplify right side
    788,998.80x = 490,905,257,457.78
  5. Step 5: Solve for x
    x = 490,905,257,457.78/788,998.80
  6. Step 6: Final answer
    x = 622,187.58

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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.