Home / 879,007.68-1,318,543.92-247,938.30

Finding the Fourth Proportional to 879,007.68, 1,318,543.92 and 247,938.30

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Solution

The fourth proportional to 879,007.68, 1,318,543.92 and 247,938.30 is: 371,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,007.68 : 1,318,543.92 = 247,938.30 : x
  2. Step 2: Convert to fraction form
    879,007.68/1,318,543.92 = 247,938.30/x
  3. Step 3: Cross multiply
    879,007.68x = 1,318,543.92 × 247,938.30
  4. Step 4: Simplify right side
    879,007.68x = 326,917,538,000.14
  5. Step 5: Solve for x
    x = 326,917,538,000.14/879,007.68
  6. Step 6: Final answer
    x = 371,916.59

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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.