Finding the Fourth Proportional to 976,349.62, 1,458,587.08 and 631,987.79
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Solution
The fourth proportional to 976,349.62, 1,458,587.08 and 631,987.79 is: 944,138.46
Step by Step Solution
- Step 1: Write the proportion equation
976,349.62 : 1,458,587.08 = 631,987.79 : x - Step 2: Convert to fraction form
976,349.62/1,458,587.08 = 631,987.79/x - Step 3: Cross multiply
976,349.62x = 1,458,587.08 × 631,987.79 - Step 4: Simplify right side
976,349.62x = 921,809,227,278.25 - Step 5: Solve for x
x = 921,809,227,278.25/976,349.62 - Step 6: Final answer
x = 944,138.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.