Finding the Fourth Proportional to 879,881.91, 1,214,237.03 and 477,473.91
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Solution
The fourth proportional to 879,881.91, 1,214,237.03 and 477,473.91 is: 658,913.99
Step by Step Solution
- Step 1: Write the proportion equation
879,881.91 : 1,214,237.03 = 477,473.91 : x - Step 2: Convert to fraction form
879,881.91/1,214,237.03 = 477,473.91/x - Step 3: Cross multiply
879,881.91x = 1,214,237.03 × 477,473.91 - Step 4: Simplify right side
879,881.91x = 579,766,498,125.92 - Step 5: Solve for x
x = 579,766,498,125.92/879,881.91 - Step 6: Final answer
x = 658,913.99
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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.