Finding the Fourth Proportional to 785,030.11, 1,083,338.49 and 440,818.18
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Solution
The fourth proportional to 785,030.11, 1,083,338.49 and 440,818.18 is: 608,327.37
Step by Step Solution
- Step 1: Write the proportion equation
785,030.11 : 1,083,338.49 = 440,818.18 : x - Step 2: Convert to fraction form
785,030.11/1,083,338.49 = 440,818.18/x - Step 3: Cross multiply
785,030.11x = 1,083,338.49 × 440,818.18 - Step 4: Simplify right side
785,030.11x = 477,555,301,485.75 - Step 5: Solve for x
x = 477,555,301,485.75/785,030.11 - Step 6: Final answer
x = 608,327.37
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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.