Home / 997,671.60-1,496,728.53-287,644.23

Finding the Fourth Proportional to 997,671.60, 1,496,728.53 and 287,644.23

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Solution

The fourth proportional to 997,671.60, 1,496,728.53 and 287,644.23 is: 431,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,671.60 : 1,496,728.53 = 287,644.23 : x
  2. Step 2: Convert to fraction form
    997,671.60/1,496,728.53 = 287,644.23/x
  3. Step 3: Cross multiply
    997,671.60x = 1,496,728.53 × 287,644.23
  4. Step 4: Simplify right side
    997,671.60x = 430,525,325,530.88
  5. Step 5: Solve for x
    x = 430,525,325,530.88/997,671.60
  6. Step 6: Final answer
    x = 431,530.10

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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.