Finding the Fourth Proportional to 527,033.17, 727,302.44 and 285,313.98
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Solution
The fourth proportional to 527,033.17, 727,302.44 and 285,313.98 is: 393,731.49
Step by Step Solution
- Step 1: Write the proportion equation
527,033.17 : 727,302.44 = 285,313.98 : x - Step 2: Convert to fraction form
527,033.17/727,302.44 = 285,313.98/x - Step 3: Cross multiply
527,033.17x = 727,302.44 × 285,313.98 - Step 4: Simplify right side
527,033.17x = 207,509,554,533.40 - Step 5: Solve for x
x = 207,509,554,533.40/527,033.17 - Step 6: Final answer
x = 393,731.49
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1.5x scale
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.