Finding the Fourth Proportional to 918,968.33, 1,378,270.77 and 873,397.91
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Solution
The fourth proportional to 918,968.33, 1,378,270.77 and 873,397.91 is: 1,309,924.15
Step by Step Solution
- Step 1: Write the proportion equation
918,968.33 : 1,378,270.77 = 873,397.91 : x - Step 2: Convert to fraction form
918,968.33/1,378,270.77 = 873,397.91/x - Step 3: Cross multiply
918,968.33x = 1,378,270.77 × 873,397.91 - Step 4: Simplify right side
918,968.33x = 1,203,778,809,932.09 - Step 5: Solve for x
x = 1,203,778,809,932.09/918,968.33 - Step 6: Final answer
x = 1,309,924.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.