Home / 740,954.61-1,022,519.07-401,422.86

Finding the Fourth Proportional to 740,954.61, 1,022,519.07 and 401,422.86

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Solution

The fourth proportional to 740,954.61, 1,022,519.07 and 401,422.86 is: 553,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,954.61 : 1,022,519.07 = 401,422.86 : x
  2. Step 2: Convert to fraction form
    740,954.61/1,022,519.07 = 401,422.86/x
  3. Step 3: Cross multiply
    740,954.61x = 1,022,519.07 × 401,422.86
  4. Step 4: Simplify right side
    740,954.61x = 410,462,529,483.94
  5. Step 5: Solve for x
    x = 410,462,529,483.94/740,954.61
  6. Step 6: Final answer
    x = 553,964.47

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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.