Home / 997,672.73-1,496,730.22-287,645.36

Finding the Fourth Proportional to 997,672.73, 1,496,730.22 and 287,645.36

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Solution

The fourth proportional to 997,672.73, 1,496,730.22 and 287,645.36 is: 431,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,672.73 : 1,496,730.22 = 287,645.36 : x
  2. Step 2: Convert to fraction form
    997,672.73/1,496,730.22 = 287,645.36/x
  3. Step 3: Cross multiply
    997,672.73x = 1,496,730.22 × 287,645.36
  4. Step 4: Simplify right side
    997,672.73x = 430,527,494,752.02
  5. Step 5: Solve for x
    x = 430,527,494,752.02/997,672.73
  6. Step 6: Final answer
    x = 431,531.79

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1.5x scale

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.