Finding the Fourth Proportional to 716,320.96, 988,595.44 and 410,437.92
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Solution
The fourth proportional to 716,320.96, 988,595.44 and 410,437.92 is: 566,445.88
Step by Step Solution
- Step 1: Write the proportion equation
716,320.96 : 988,595.44 = 410,437.92 : x - Step 2: Convert to fraction form
716,320.96/988,595.44 = 410,437.92/x - Step 3: Cross multiply
716,320.96x = 988,595.44 × 410,437.92 - Step 4: Simplify right side
716,320.96x = 405,757,056,115.09 - Step 5: Solve for x
x = 405,757,056,115.09/716,320.96 - Step 6: Final answer
x = 566,445.88
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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.