Home / 909,435.74-1,255,029.19-501,552.14

Finding the Fourth Proportional to 909,435.74, 1,255,029.19 and 501,552.14

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Solution

The fourth proportional to 909,435.74, 1,255,029.19 and 501,552.14 is: 692,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,435.74 : 1,255,029.19 = 501,552.14 : x
  2. Step 2: Convert to fraction form
    909,435.74/1,255,029.19 = 501,552.14/x
  3. Step 3: Cross multiply
    909,435.74x = 1,255,029.19 × 501,552.14
  4. Step 4: Simplify right side
    909,435.74x = 629,462,568,477.94
  5. Step 5: Solve for x
    x = 629,462,568,477.94/909,435.74
  6. Step 6: Final answer
    x = 692,146.29

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1.5x scale

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.