Finding the Fourth Proportional to 976,848.40, 1,467,022.20 and 710,909.20
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Solution
The fourth proportional to 976,848.40, 1,467,022.20 and 710,909.20 is: 1,067,637.09
Step by Step Solution
- Step 1: Write the proportion equation
976,848.40 : 1,467,022.20 = 710,909.20 : x - Step 2: Convert to fraction form
976,848.40/1,467,022.20 = 710,909.20/x - Step 3: Cross multiply
976,848.40x = 1,467,022.20 × 710,909.20 - Step 4: Simplify right side
976,848.40x = 1,042,919,578,584.24 - Step 5: Solve for x
x = 1,042,919,578,584.24/976,848.40 - Step 6: Final answer
x = 1,067,637.09
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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.