Finding the Fourth Proportional to 918,582.05, 1,374,924.93 and 491,048.75
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Solution
The fourth proportional to 918,582.05, 1,374,924.93 and 491,048.75 is: 734,997.12
Step by Step Solution
- Step 1: Write the proportion equation
918,582.05 : 1,374,924.93 = 491,048.75 : x - Step 2: Convert to fraction form
918,582.05/1,374,924.93 = 491,048.75/x - Step 3: Cross multiply
918,582.05x = 1,374,924.93 × 491,048.75 - Step 4: Simplify right side
918,582.05x = 675,155,161,345.71 - Step 5: Solve for x
x = 675,155,161,345.71/918,582.05 - Step 6: Final answer
x = 734,997.12
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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.