Finding the Fourth Proportional to 665,392.08, 918,263.72 and 363,605.52
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Solution
The fourth proportional to 665,392.08, 918,263.72 and 363,605.52 is: 501,787.99
Step by Step Solution
- Step 1: Write the proportion equation
665,392.08 : 918,263.72 = 363,605.52 : x - Step 2: Convert to fraction form
665,392.08/918,263.72 = 363,605.52/x - Step 3: Cross multiply
665,392.08x = 918,263.72 × 363,605.52 - Step 4: Simplify right side
665,392.08x = 333,885,757,407.73 - Step 5: Solve for x
x = 333,885,757,407.73/665,392.08 - Step 6: Final answer
x = 501,787.99
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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.