Finding the Fourth Proportional to 900,664.08, 1,242,486.99 and 556,376.15
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Solution
The fourth proportional to 900,664.08, 1,242,486.99 and 556,376.15 is: 767,533.80
Step by Step Solution
- Step 1: Write the proportion equation
900,664.08 : 1,242,486.99 = 556,376.15 : x - Step 2: Convert to fraction form
900,664.08/1,242,486.99 = 556,376.15/x - Step 3: Cross multiply
900,664.08x = 1,242,486.99 × 556,376.15 - Step 4: Simplify right side
900,664.08x = 691,290,121,708.85 - Step 5: Solve for x
x = 691,290,121,708.85/900,664.08 - Step 6: Final answer
x = 767,533.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.