Home / 1,009,387.44-1,392,956.04-550,503.12

Finding the Fourth Proportional to 1,009,387.44, 1,392,956.04 and 550,503.12

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Solution

The fourth proportional to 1,009,387.44, 1,392,956.04 and 550,503.12 is: 759,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,387.44 : 1,392,956.04 = 550,503.12 : x
  2. Step 2: Convert to fraction form
    1,009,387.44/1,392,956.04 = 550,503.12/x
  3. Step 3: Cross multiply
    1,009,387.44x = 1,392,956.04 × 550,503.12
  4. Step 4: Simplify right side
    1,009,387.44x = 766,826,646,042.85
  5. Step 5: Solve for x
    x = 766,826,646,042.85/1,009,387.44
  6. Step 6: Final answer
    x = 759,695.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.