Finding the Fourth Proportional to 889,431.47, 1,334,396.63 and 357,326.17
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Solution
The fourth proportional to 889,431.47, 1,334,396.63 and 357,326.17 is: 536,089.46
Step by Step Solution
- Step 1: Write the proportion equation
889,431.47 : 1,334,396.63 = 357,326.17 : x - Step 2: Convert to fraction form
889,431.47/1,334,396.63 = 357,326.17/x - Step 3: Cross multiply
889,431.47x = 1,334,396.63 × 357,326.17 - Step 4: Simplify right side
889,431.47x = 476,814,834,616.13 - Step 5: Solve for x
x = 476,814,834,616.13/889,431.47 - Step 6: Final answer
x = 536,089.46
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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.