Finding the Fourth Proportional to 781,444.36, 1,171,369.50 and 307,937.80
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Solution
The fourth proportional to 781,444.36, 1,171,369.50 and 307,937.80 is: 461,592.62
Step by Step Solution
- Step 1: Write the proportion equation
781,444.36 : 1,171,369.50 = 307,937.80 : x - Step 2: Convert to fraction form
781,444.36/1,171,369.50 = 307,937.80/x - Step 3: Cross multiply
781,444.36x = 1,171,369.50 × 307,937.80 - Step 4: Simplify right side
781,444.36x = 360,708,946,817.10 - Step 5: Solve for x
x = 360,708,946,817.10/781,444.36 - Step 6: Final answer
x = 461,592.62
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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.