Finding the Fourth Proportional to 1,029,850.68, 1,421,278.16 and 571,109.14
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Solution
The fourth proportional to 1,029,850.68, 1,421,278.16 and 571,109.14 is: 788,177.31
Step by Step Solution
- Step 1: Write the proportion equation
1,029,850.68 : 1,421,278.16 = 571,109.14 : x - Step 2: Convert to fraction form
1,029,850.68/1,421,278.16 = 571,109.14/x - Step 3: Cross multiply
1,029,850.68x = 1,421,278.16 × 571,109.14 - Step 4: Simplify right side
1,029,850.68x = 811,704,941,249.64 - Step 5: Solve for x
x = 811,704,941,249.64/1,029,850.68 - Step 6: Final answer
x = 788,177.31
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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.