Finding the Fourth Proportional to 527,487.24, 727,917.24 and 309,692.28
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Solution
The fourth proportional to 527,487.24, 727,917.24 and 309,692.28 is: 427,366.45
Step by Step Solution
- Step 1: Write the proportion equation
527,487.24 : 727,917.24 = 309,692.28 : x - Step 2: Convert to fraction form
527,487.24/727,917.24 = 309,692.28/x - Step 3: Cross multiply
527,487.24x = 727,917.24 × 309,692.28 - Step 4: Simplify right side
527,487.24x = 225,430,349,706.91 - Step 5: Solve for x
x = 225,430,349,706.91/527,487.24 - Step 6: Final answer
x = 427,366.45
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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.