Finding the Fourth Proportional to 723,291.90, 998,201.97 and 401,103.06
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Solution
The fourth proportional to 723,291.90, 998,201.97 and 401,103.06 is: 553,555.02
Step by Step Solution
- Step 1: Write the proportion equation
723,291.90 : 998,201.97 = 401,103.06 : x - Step 2: Convert to fraction form
723,291.90/998,201.97 = 401,103.06/x - Step 3: Cross multiply
723,291.90x = 998,201.97 × 401,103.06 - Step 4: Simplify right side
723,291.90x = 400,381,864,665.03 - Step 5: Solve for x
x = 400,381,864,665.03/723,291.90 - Step 6: Final answer
x = 553,555.02
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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.