Home / 997,659.10-1,496,709.78-287,631.73

Finding the Fourth Proportional to 997,659.10, 1,496,709.78 and 287,631.73

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Solution

The fourth proportional to 997,659.10, 1,496,709.78 and 287,631.73 is: 431,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,659.10 : 1,496,709.78 = 287,631.73 : x
  2. Step 2: Convert to fraction form
    997,659.10/1,496,709.78 = 287,631.73/x
  3. Step 3: Cross multiply
    997,659.10x = 1,496,709.78 × 287,631.73
  4. Step 4: Simplify right side
    997,659.10x = 430,501,223,329.32
  5. Step 5: Solve for x
    x = 430,501,223,329.32/997,659.10
  6. Step 6: Final answer
    x = 431,511.35

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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.