Home / 821,365.76-1,229,051.23-484,567.76

Finding the Fourth Proportional to 821,365.76, 1,229,051.23 and 484,567.76

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Solution

The fourth proportional to 821,365.76, 1,229,051.23 and 484,567.76 is: 725,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,365.76 : 1,229,051.23 = 484,567.76 : x
  2. Step 2: Convert to fraction form
    821,365.76/1,229,051.23 = 484,567.76/x
  3. Step 3: Cross multiply
    821,365.76x = 1,229,051.23 × 484,567.76
  4. Step 4: Simplify right side
    821,365.76x = 595,558,601,446.35
  5. Step 5: Solve for x
    x = 595,558,601,446.35/821,365.76
  6. Step 6: Final answer
    x = 725,083.31

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Double scale
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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.