Home / 702,902.20-1,054,353.30-668,495.80

Finding the Fourth Proportional to 702,902.20, 1,054,353.30 and 668,495.80

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Solution

The fourth proportional to 702,902.20, 1,054,353.30 and 668,495.80 is: 1,002,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,902.20 : 1,054,353.30 = 668,495.80 : x
  2. Step 2: Convert to fraction form
    702,902.20/1,054,353.30 = 668,495.80/x
  3. Step 3: Cross multiply
    702,902.20x = 1,054,353.30 × 668,495.80
  4. Step 4: Simplify right side
    702,902.20x = 704,830,752,766.14
  5. Step 5: Solve for x
    x = 704,830,752,766.14/702,902.20
  6. Step 6: Final answer
    x = 1,002,743.70

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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.