Home / 909,395.08-1,255,039.96-501,576.70

Finding the Fourth Proportional to 909,395.08, 1,255,039.96 and 501,576.70

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Solution

The fourth proportional to 909,395.08, 1,255,039.96 and 501,576.70 is: 692,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,395.08 : 1,255,039.96 = 501,576.70 : x
  2. Step 2: Convert to fraction form
    909,395.08/1,255,039.96 = 501,576.70/x
  3. Step 3: Cross multiply
    909,395.08x = 1,255,039.96 × 501,576.70
  4. Step 4: Simplify right side
    909,395.08x = 629,498,801,504.93
  5. Step 5: Solve for x
    x = 629,498,801,504.93/909,395.08
  6. Step 6: Final answer
    x = 692,217.07

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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.