Home / 838,146.67-1,257,407.44-305,667.73

Finding the Fourth Proportional to 838,146.67, 1,257,407.44 and 305,667.73

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Solution

The fourth proportional to 838,146.67, 1,257,407.44 and 305,667.73 is: 458,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,146.67 : 1,257,407.44 = 305,667.73 : x
  2. Step 2: Convert to fraction form
    838,146.67/1,257,407.44 = 305,667.73/x
  3. Step 3: Cross multiply
    838,146.67x = 1,257,407.44 × 305,667.73
  4. Step 4: Simplify right side
    838,146.67x = 384,348,871,582.87
  5. Step 5: Solve for x
    x = 384,348,871,582.87/838,146.67
  6. Step 6: Final answer
    x = 458,569.94

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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.