Finding the Fourth Proportional to 527,033.42, 727,302.79 and 285,314.23
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Solution
The fourth proportional to 527,033.42, 727,302.79 and 285,314.23 is: 393,731.83
Step by Step Solution
- Step 1: Write the proportion equation
527,033.42 : 727,302.79 = 285,314.23 : x - Step 2: Convert to fraction form
527,033.42/727,302.79 = 285,314.23/x - Step 3: Cross multiply
527,033.42x = 727,302.79 × 285,314.23 - Step 4: Simplify right side
527,033.42x = 207,509,834,079.13 - Step 5: Solve for x
x = 207,509,834,079.13/527,033.42 - Step 6: Final answer
x = 393,731.83
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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.