Home / 862,277.25-1,293,969.48-578,288.52

Finding the Fourth Proportional to 862,277.25, 1,293,969.48 and 578,288.52

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Solution

The fourth proportional to 862,277.25, 1,293,969.48 and 578,288.52 is: 867,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,277.25 : 1,293,969.48 = 578,288.52 : x
  2. Step 2: Convert to fraction form
    862,277.25/1,293,969.48 = 578,288.52/x
  3. Step 3: Cross multiply
    862,277.25x = 1,293,969.48 × 578,288.52
  4. Step 4: Simplify right side
    862,277.25x = 748,287,695,514.37
  5. Step 5: Solve for x
    x = 748,287,695,514.37/862,277.25
  6. Step 6: Final answer
    x = 867,804.06

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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.