Finding the Fourth Proportional to 959,220.72, 1,323,724.84 and 529,501.12
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Solution
The fourth proportional to 959,220.72, 1,323,724.84 and 529,501.12 is: 730,711.68
Step by Step Solution
- Step 1: Write the proportion equation
959,220.72 : 1,323,724.84 = 529,501.12 : x - Step 2: Convert to fraction form
959,220.72/1,323,724.84 = 529,501.12/x - Step 3: Cross multiply
959,220.72x = 1,323,724.84 × 529,501.12 - Step 4: Simplify right side
959,220.72x = 700,913,785,351.82 - Step 5: Solve for x
x = 700,913,785,351.82/959,220.72 - Step 6: Final answer
x = 730,711.68
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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.