Finding the Fourth Proportional to 747,587.94, 1,121,246.58 and 214,978.26
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Solution
The fourth proportional to 747,587.94, 1,121,246.58 and 214,978.26 is: 322,428.47
Step by Step Solution
- Step 1: Write the proportion equation
747,587.94 : 1,121,246.58 = 214,978.26 : x - Step 2: Convert to fraction form
747,587.94/1,121,246.58 = 214,978.26/x - Step 3: Cross multiply
747,587.94x = 1,121,246.58 × 214,978.26 - Step 4: Simplify right side
747,587.94x = 241,043,638,799.35 - Step 5: Solve for x
x = 241,043,638,799.35/747,587.94 - Step 6: Final answer
x = 322,428.47
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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.