Home / 909,481.44-1,364,362.29-310,302.93

Finding the Fourth Proportional to 909,481.44, 1,364,362.29 and 310,302.93

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Solution

The fourth proportional to 909,481.44, 1,364,362.29 and 310,302.93 is: 465,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,481.44 : 1,364,362.29 = 310,302.93 : x
  2. Step 2: Convert to fraction form
    909,481.44/1,364,362.29 = 310,302.93/x
  3. Step 3: Cross multiply
    909,481.44x = 1,364,362.29 × 310,302.93
  4. Step 4: Simplify right side
    909,481.44x = 423,365,616,168.51
  5. Step 5: Solve for x
    x = 423,365,616,168.51/909,481.44
  6. Step 6: Final answer
    x = 465,502.21

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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.