Finding the Fourth Proportional to 879,529.07, 1,213,752.47 and 477,121.07
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Solution
The fourth proportional to 879,529.07, 1,213,752.47 and 477,121.07 is: 658,428.35
Step by Step Solution
- Step 1: Write the proportion equation
879,529.07 : 1,213,752.47 = 477,121.07 : x - Step 2: Convert to fraction form
879,529.07/1,213,752.47 = 477,121.07/x - Step 3: Cross multiply
879,529.07x = 1,213,752.47 × 477,121.07 - Step 4: Simplify right side
879,529.07x = 579,106,868,747.18 - Step 5: Solve for x
x = 579,106,868,747.18/879,529.07 - Step 6: Final answer
x = 658,428.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.