Finding the Fourth Proportional to 529,252.20, 730,355.40 and 287,529.48
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Solution
The fourth proportional to 529,252.20, 730,355.40 and 287,529.48 is: 396,783.82
Step by Step Solution
- Step 1: Write the proportion equation
529,252.20 : 730,355.40 = 287,529.48 : x - Step 2: Convert to fraction form
529,252.20/730,355.40 = 287,529.48/x - Step 3: Cross multiply
529,252.20x = 730,355.40 × 287,529.48 - Step 4: Simplify right side
529,252.20x = 209,998,708,377.19 - Step 5: Solve for x
x = 209,998,708,377.19/529,252.20 - Step 6: Final answer
x = 396,783.82
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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.