Finding the Fourth Proportional to 839,490.42, 1,158,537.84 and 472,083.18
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Solution
The fourth proportional to 839,490.42, 1,158,537.84 and 472,083.18 is: 651,497.88
Step by Step Solution
- Step 1: Write the proportion equation
839,490.42 : 1,158,537.84 = 472,083.18 : x - Step 2: Convert to fraction form
839,490.42/1,158,537.84 = 472,083.18/x - Step 3: Cross multiply
839,490.42x = 1,158,537.84 × 472,083.18 - Step 4: Simplify right side
839,490.42x = 546,926,227,657.53 - Step 5: Solve for x
x = 546,926,227,657.53/839,490.42 - Step 6: Final answer
x = 651,497.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.