Home / 909,881.94-1,365,032.94-270,171.46

Finding the Fourth Proportional to 909,881.94, 1,365,032.94 and 270,171.46

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Solution

The fourth proportional to 909,881.94, 1,365,032.94 and 270,171.46 is: 405,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,881.94 : 1,365,032.94 = 270,171.46 : x
  2. Step 2: Convert to fraction form
    909,881.94/1,365,032.94 = 270,171.46/x
  3. Step 3: Cross multiply
    909,881.94x = 1,365,032.94 × 270,171.46
  4. Step 4: Simplify right side
    909,881.94x = 368,792,942,347.89
  5. Step 5: Solve for x
    x = 368,792,942,347.89/909,881.94
  6. Step 6: Final answer
    x = 405,319.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.