Home / 997,851.96-1,496,776.32-287,883.72

Finding the Fourth Proportional to 997,851.96, 1,496,776.32 and 287,883.72

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Solution

The fourth proportional to 997,851.96, 1,496,776.32 and 287,883.72 is: 431,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,851.96 : 1,496,776.32 = 287,883.72 : x
  2. Step 2: Convert to fraction form
    997,851.96/1,496,776.32 = 287,883.72/x
  3. Step 3: Cross multiply
    997,851.96x = 1,496,776.32 × 287,883.72
  4. Step 4: Simplify right side
    997,851.96x = 430,897,535,009.51
  5. Step 5: Solve for x
    x = 430,897,535,009.51/997,851.96
  6. Step 6: Final answer
    x = 431,825.11

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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.