Finding the Fourth Proportional to 602,235.12, 831,007.89 and 344,128.80
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Solution
The fourth proportional to 602,235.12, 831,007.89 and 344,128.80 is: 474,853.99
Step by Step Solution
- Step 1: Write the proportion equation
602,235.12 : 831,007.89 = 344,128.80 : x - Step 2: Convert to fraction form
602,235.12/831,007.89 = 344,128.80/x - Step 3: Cross multiply
602,235.12x = 831,007.89 × 344,128.80 - Step 4: Simplify right side
602,235.12x = 285,973,747,976.23 - Step 5: Solve for x
x = 285,973,747,976.23/602,235.12 - Step 6: Final answer
x = 474,853.99
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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.