Home / 702,938.20-1,054,407.30-668,531.80

Finding the Fourth Proportional to 702,938.20, 1,054,407.30 and 668,531.80

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Solution

The fourth proportional to 702,938.20, 1,054,407.30 and 668,531.80 is: 1,002,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,938.20 : 1,054,407.30 = 668,531.80 : x
  2. Step 2: Convert to fraction form
    702,938.20/1,054,407.30 = 668,531.80/x
  3. Step 3: Cross multiply
    702,938.20x = 1,054,407.30 × 668,531.80
  4. Step 4: Simplify right side
    702,938.20x = 704,904,810,202.14
  5. Step 5: Solve for x
    x = 704,904,810,202.14/702,938.20
  6. Step 6: Final answer
    x = 1,002,797.70

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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.