Home / 909,651.44-1,255,339.04-501,765.68

Finding the Fourth Proportional to 909,651.44, 1,255,339.04 and 501,765.68

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Solution

The fourth proportional to 909,651.44, 1,255,339.04 and 501,765.68 is: 692,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,651.44 : 1,255,339.04 = 501,765.68 : x
  2. Step 2: Convert to fraction form
    909,651.44/1,255,339.04 = 501,765.68/x
  3. Step 3: Cross multiply
    909,651.44x = 1,255,339.04 × 501,765.68
  4. Step 4: Simplify right side
    909,651.44x = 629,886,047,036.15
  5. Step 5: Solve for x
    x = 629,886,047,036.15/909,651.44
  6. Step 6: Final answer
    x = 692,447.70

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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.