Finding the Fourth Proportional to 464,603.99, 640,474.83 and 328,397.63
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Solution
The fourth proportional to 464,603.99, 640,474.83 and 328,397.63 is: 452,709.02
Step by Step Solution
- Step 1: Write the proportion equation
464,603.99 : 640,474.83 = 328,397.63 : x - Step 2: Convert to fraction form
464,603.99/640,474.83 = 328,397.63/x - Step 3: Cross multiply
464,603.99x = 640,474.83 × 328,397.63 - Step 4: Simplify right side
464,603.99x = 210,330,413,044.28 - Step 5: Solve for x
x = 210,330,413,044.28/464,603.99 - Step 6: Final answer
x = 452,709.02
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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.