Home / 825,992.15-1,238,840.43-525,580.36

Finding the Fourth Proportional to 825,992.15, 1,238,840.43 and 525,580.36

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Solution

The fourth proportional to 825,992.15, 1,238,840.43 and 525,580.36 is: 788,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,992.15 : 1,238,840.43 = 525,580.36 : x
  2. Step 2: Convert to fraction form
    825,992.15/1,238,840.43 = 525,580.36/x
  3. Step 3: Cross multiply
    825,992.15x = 1,238,840.43 × 525,580.36
  4. Step 4: Simplify right side
    825,992.15x = 651,110,201,082.41
  5. Step 5: Solve for x
    x = 651,110,201,082.41/825,992.15
  6. Step 6: Final answer
    x = 788,276.50

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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.