Finding the Fourth Proportional to 983,257.08, 1,356,893.30 and 553,675.62
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Solution
The fourth proportional to 983,257.08, 1,356,893.30 and 553,675.62 is: 764,071.53
Step by Step Solution
- Step 1: Write the proportion equation
983,257.08 : 1,356,893.30 = 553,675.62 : x - Step 2: Convert to fraction form
983,257.08/1,356,893.30 = 553,675.62/x - Step 3: Cross multiply
983,257.08x = 1,356,893.30 × 553,675.62 - Step 4: Simplify right side
983,257.08x = 751,278,739,151.35 - Step 5: Solve for x
x = 751,278,739,151.35/983,257.08 - Step 6: Final answer
x = 764,071.53
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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.