Home / 997,918.40-1,496,731.80-287,872.40

Finding the Fourth Proportional to 997,918.40, 1,496,731.80 and 287,872.40

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Solution

The fourth proportional to 997,918.40, 1,496,731.80 and 287,872.40 is: 431,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,918.40 : 1,496,731.80 = 287,872.40 : x
  2. Step 2: Convert to fraction form
    997,918.40/1,496,731.80 = 287,872.40/x
  3. Step 3: Cross multiply
    997,918.40x = 1,496,731.80 × 287,872.40
  4. Step 4: Simplify right side
    997,918.40x = 430,867,775,422.32
  5. Step 5: Solve for x
    x = 430,867,775,422.32/997,918.40
  6. Step 6: Final answer
    x = 431,766.54

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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.