Home / 671,708.10-1,007,792.55-297,999.30

Finding the Fourth Proportional to 671,708.10, 1,007,792.55 and 297,999.30

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Solution

The fourth proportional to 671,708.10, 1,007,792.55 and 297,999.30 is: 447,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,708.10 : 1,007,792.55 = 297,999.30 : x
  2. Step 2: Convert to fraction form
    671,708.10/1,007,792.55 = 297,999.30/x
  3. Step 3: Cross multiply
    671,708.10x = 1,007,792.55 × 297,999.30
  4. Step 4: Simplify right side
    671,708.10x = 300,321,474,445.22
  5. Step 5: Solve for x
    x = 300,321,474,445.22/671,708.10
  6. Step 6: Final answer
    x = 447,101.17

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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.