Home / 679,402.98-1,019,202.89-252,903.35

Finding the Fourth Proportional to 679,402.98, 1,019,202.89 and 252,903.35

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Solution

The fourth proportional to 679,402.98, 1,019,202.89 and 252,903.35 is: 379,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,402.98 : 1,019,202.89 = 252,903.35 : x
  2. Step 2: Convert to fraction form
    679,402.98/1,019,202.89 = 252,903.35/x
  3. Step 3: Cross multiply
    679,402.98x = 1,019,202.89 × 252,903.35
  4. Step 4: Simplify right side
    679,402.98x = 257,759,826,494.17
  5. Step 5: Solve for x
    x = 257,759,826,494.17/679,402.98
  6. Step 6: Final answer
    x = 379,391.66

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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.