Home / 997,654.67-1,496,703.45-287,627.30

Finding the Fourth Proportional to 997,654.67, 1,496,703.45 and 287,627.30

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Solution

The fourth proportional to 997,654.67, 1,496,703.45 and 287,627.30 is: 431,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,654.67 : 1,496,703.45 = 287,627.30 : x
  2. Step 2: Convert to fraction form
    997,654.67/1,496,703.45 = 287,627.30/x
  3. Step 3: Cross multiply
    997,654.67x = 1,496,703.45 × 287,627.30
  4. Step 4: Simplify right side
    997,654.67x = 430,492,772,224.19
  5. Step 5: Solve for x
    x = 430,492,772,224.19/997,654.67
  6. Step 6: Final answer
    x = 431,504.79

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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.