Home / 951,875.72-1,427,806.38-312,623.13

Finding the Fourth Proportional to 951,875.72, 1,427,806.38 and 312,623.13

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Solution

The fourth proportional to 951,875.72, 1,427,806.38 and 312,623.13 is: 468,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,875.72 : 1,427,806.38 = 312,623.13 : x
  2. Step 2: Convert to fraction form
    951,875.72/1,427,806.38 = 312,623.13/x
  3. Step 3: Cross multiply
    951,875.72x = 1,427,806.38 × 312,623.13
  4. Step 4: Simplify right side
    951,875.72x = 446,365,299,549.57
  5. Step 5: Solve for x
    x = 446,365,299,549.57/951,875.72
  6. Step 6: Final answer
    x = 468,932.33

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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.