Home / 692,438.92-1,038,554.38-219,062.76

Finding the Fourth Proportional to 692,438.92, 1,038,554.38 and 219,062.76

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Solution

The fourth proportional to 692,438.92, 1,038,554.38 and 219,062.76 is: 328,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,438.92 : 1,038,554.38 = 219,062.76 : x
  2. Step 2: Convert to fraction form
    692,438.92/1,038,554.38 = 219,062.76/x
  3. Step 3: Cross multiply
    692,438.92x = 1,038,554.38 × 219,062.76
  4. Step 4: Simplify right side
    692,438.92x = 227,508,588,892.89
  5. Step 5: Solve for x
    x = 227,508,588,892.89/692,438.92
  6. Step 6: Final answer
    x = 328,561.24

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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.