Finding the Fourth Proportional to 875,527.05, 1,208,415.18 and 553,032.03
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Solution
The fourth proportional to 875,527.05, 1,208,415.18 and 553,032.03 is: 763,302.86
Step by Step Solution
- Step 1: Write the proportion equation
875,527.05 : 1,208,415.18 = 553,032.03 : x - Step 2: Convert to fraction form
875,527.05/1,208,415.18 = 553,032.03/x - Step 3: Cross multiply
875,527.05x = 1,208,415.18 × 553,032.03 - Step 4: Simplify right side
875,527.05x = 668,292,300,078.22 - Step 5: Solve for x
x = 668,292,300,078.22/875,527.05 - Step 6: Final answer
x = 763,302.86
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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.