Finding the Fourth Proportional to 665,366.07, 917,249.14 and 474,047.31
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Solution
The fourth proportional to 665,366.07, 917,249.14 and 474,047.31 is: 653,504.15
Step by Step Solution
- Step 1: Write the proportion equation
665,366.07 : 917,249.14 = 474,047.31 : x - Step 2: Convert to fraction form
665,366.07/917,249.14 = 474,047.31/x - Step 3: Cross multiply
665,366.07x = 917,249.14 × 474,047.31 - Step 4: Simplify right side
665,366.07x = 434,819,487,416.81 - Step 5: Solve for x
x = 434,819,487,416.81/665,366.07 - Step 6: Final answer
x = 653,504.15
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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.