Finding the Fourth Proportional to 798,129.36, 1,101,648.84 and 471,744.72
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Solution
The fourth proportional to 798,129.36, 1,101,648.84 and 471,744.72 is: 651,143.85
Step by Step Solution
- Step 1: Write the proportion equation
798,129.36 : 1,101,648.84 = 471,744.72 : x - Step 2: Convert to fraction form
798,129.36/1,101,648.84 = 471,744.72/x - Step 3: Cross multiply
798,129.36x = 1,101,648.84 × 471,744.72 - Step 4: Simplify right side
798,129.36x = 519,697,023,564.13 - Step 5: Solve for x
x = 519,697,023,564.13/798,129.36 - Step 6: Final answer
x = 651,143.85
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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.