Home / 503,980.24-695,371.80-286,140.64

Finding the Fourth Proportional to 503,980.24, 695,371.80 and 286,140.64

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Solution

The fourth proportional to 503,980.24, 695,371.80 and 286,140.64 is: 394,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,980.24 : 695,371.80 = 286,140.64 : x
  2. Step 2: Convert to fraction form
    503,980.24/695,371.80 = 286,140.64/x
  3. Step 3: Cross multiply
    503,980.24x = 695,371.80 × 286,140.64
  4. Step 4: Simplify right side
    503,980.24x = 198,974,131,889.95
  5. Step 5: Solve for x
    x = 198,974,131,889.95/503,980.24
  6. Step 6: Final answer
    x = 394,805.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.