Home / 534,929.60-802,135.20-298,020.80

Finding the Fourth Proportional to 534,929.60, 802,135.20 and 298,020.80

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Solution

The fourth proportional to 534,929.60, 802,135.20 and 298,020.80 is: 446,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,929.60 : 802,135.20 = 298,020.80 : x
  2. Step 2: Convert to fraction form
    534,929.60/802,135.20 = 298,020.80/x
  3. Step 3: Cross multiply
    534,929.60x = 802,135.20 × 298,020.80
  4. Step 4: Simplify right side
    534,929.60x = 239,052,974,012.16
  5. Step 5: Solve for x
    x = 239,052,974,012.16/534,929.60
  6. Step 6: Final answer
    x = 446,886.79

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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.