Home / 671,564.12-1,007,455.64-198,297.32

Finding the Fourth Proportional to 671,564.12, 1,007,455.64 and 198,297.32

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Solution

The fourth proportional to 671,564.12, 1,007,455.64 and 198,297.32 is: 297,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,564.12 : 1,007,455.64 = 198,297.32 : x
  2. Step 2: Convert to fraction form
    671,564.12/1,007,455.64 = 198,297.32/x
  3. Step 3: Cross multiply
    671,564.12x = 1,007,455.64 × 198,297.32
  4. Step 4: Simplify right side
    671,564.12x = 199,775,753,430.89
  5. Step 5: Solve for x
    x = 199,775,753,430.89/671,564.12
  6. Step 6: Final answer
    x = 297,478.30

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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.