Finding the Fourth Proportional to 665,362.07, 917,243.63 and 474,043.31
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Solution
The fourth proportional to 665,362.07, 917,243.63 and 474,043.31 is: 653,498.63
Step by Step Solution
- Step 1: Write the proportion equation
665,362.07 : 917,243.63 = 474,043.31 : x - Step 2: Convert to fraction form
665,362.07/917,243.63 = 474,043.31/x - Step 3: Cross multiply
665,362.07x = 917,243.63 × 474,043.31 - Step 4: Simplify right side
665,362.07x = 434,813,199,485.18 - Step 5: Solve for x
x = 434,813,199,485.18/665,362.07 - Step 6: Final answer
x = 653,498.63
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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.