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Finding the Fourth Proportional to 980,573.97, 1,470,018.56 and 340,794.59

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Solution

The fourth proportional to 980,573.97, 1,470,018.56 and 340,794.59 is: 510,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,573.97 : 1,470,018.56 = 340,794.59 : x
  2. Step 2: Convert to fraction form
    980,573.97/1,470,018.56 = 340,794.59/x
  3. Step 3: Cross multiply
    980,573.97x = 1,470,018.56 × 340,794.59
  4. Step 4: Simplify right side
    980,573.97x = 500,974,374,418.66
  5. Step 5: Solve for x
    x = 500,974,374,418.66/980,573.97
  6. Step 6: Final answer
    x = 510,899.12

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1.5x scale

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.