Finding the Fourth Proportional to 736,957.28, 1,106,031.74 and 382,072.84
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Solution
The fourth proportional to 736,957.28, 1,106,031.74 and 382,072.84 is: 573,418.16
Step by Step Solution
- Step 1: Write the proportion equation
736,957.28 : 1,106,031.74 = 382,072.84 : x - Step 2: Convert to fraction form
736,957.28/1,106,031.74 = 382,072.84/x - Step 3: Cross multiply
736,957.28x = 1,106,031.74 × 382,072.84 - Step 4: Simplify right side
736,957.28x = 422,584,688,031.94 - Step 5: Solve for x
x = 422,584,688,031.94/736,957.28 - Step 6: Final answer
x = 573,418.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.