Home / 679,569.40-1,019,937.30-301,072.60

Finding the Fourth Proportional to 679,569.40, 1,019,937.30 and 301,072.60

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Solution

The fourth proportional to 679,569.40, 1,019,937.30 and 301,072.60 is: 451,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,569.40 : 1,019,937.30 = 301,072.60 : x
  2. Step 2: Convert to fraction form
    679,569.40/1,019,937.30 = 301,072.60/x
  3. Step 3: Cross multiply
    679,569.40x = 1,019,937.30 × 301,072.60
  4. Step 4: Simplify right side
    679,569.40x = 307,075,174,747.98
  5. Step 5: Solve for x
    x = 307,075,174,747.98/679,569.40
  6. Step 6: Final answer
    x = 451,867.28

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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.