Finding the Fourth Proportional to 945,280.68, 1,417,918.62 and 405,186.75
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Solution
The fourth proportional to 945,280.68, 1,417,918.62 and 405,186.75 is: 607,779.10
Step by Step Solution
- Step 1: Write the proportion equation
945,280.68 : 1,417,918.62 = 405,186.75 : x - Step 2: Convert to fraction form
945,280.68/1,417,918.62 = 405,186.75/x - Step 3: Cross multiply
945,280.68x = 1,417,918.62 × 405,186.75 - Step 4: Simplify right side
945,280.68x = 574,521,837,402.29 - Step 5: Solve for x
x = 574,521,837,402.29/945,280.68 - Step 6: Final answer
x = 607,779.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.