Home / 843,420.80-1,265,714.40-606,933.20

Finding the Fourth Proportional to 843,420.80, 1,265,714.40 and 606,933.20

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Solution

The fourth proportional to 843,420.80, 1,265,714.40 and 606,933.20 is: 910,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,420.80 : 1,265,714.40 = 606,933.20 : x
  2. Step 2: Convert to fraction form
    843,420.80/1,265,714.40 = 606,933.20/x
  3. Step 3: Cross multiply
    843,420.80x = 1,265,714.40 × 606,933.20
  4. Step 4: Simplify right side
    843,420.80x = 768,204,091,078.08
  5. Step 5: Solve for x
    x = 768,204,091,078.08/843,420.80
  6. Step 6: Final answer
    x = 910,819.48

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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.