Finding the Fourth Proportional to 902,942.76, 1,246,075.08 and 495,081.84
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Solution
The fourth proportional to 902,942.76, 1,246,075.08 and 495,081.84 is: 683,220.65
Step by Step Solution
- Step 1: Write the proportion equation
902,942.76 : 1,246,075.08 = 495,081.84 : x - Step 2: Convert to fraction form
902,942.76/1,246,075.08 = 495,081.84/x - Step 3: Cross multiply
902,942.76x = 1,246,075.08 × 495,081.84 - Step 4: Simplify right side
902,942.76x = 616,909,143,384.55 - Step 5: Solve for x
x = 616,909,143,384.55/902,942.76 - Step 6: Final answer
x = 683,220.65
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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.