Finding the Fourth Proportional to 889,431.54, 1,334,396.73 and 357,326.23
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Solution
The fourth proportional to 889,431.54, 1,334,396.73 and 357,326.23 is: 536,089.55
Step by Step Solution
- Step 1: Write the proportion equation
889,431.54 : 1,334,396.73 = 357,326.23 : x - Step 2: Convert to fraction form
889,431.54/1,334,396.73 = 357,326.23/x - Step 3: Cross multiply
889,431.54x = 1,334,396.73 × 357,326.23 - Step 4: Simplify right side
889,431.54x = 476,814,952,855.23 - Step 5: Solve for x
x = 476,814,952,855.23/889,431.54 - Step 6: Final answer
x = 536,089.55
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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.