Finding the Fourth Proportional to 902,938.80, 1,246,069.52 and 495,077.84
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Solution
The fourth proportional to 902,938.80, 1,246,069.52 and 495,077.84 is: 683,215.08
Step by Step Solution
- Step 1: Write the proportion equation
902,938.80 : 1,246,069.52 = 495,077.84 : x - Step 2: Convert to fraction form
902,938.80/1,246,069.52 = 495,077.84/x - Step 3: Cross multiply
902,938.80x = 1,246,069.52 × 495,077.84 - Step 4: Simplify right side
902,938.80x = 616,901,406,451.44 - Step 5: Solve for x
x = 616,901,406,451.44/902,938.80 - Step 6: Final answer
x = 683,215.08
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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.