Finding the Fourth Proportional to 748,187.78, 1,032,129.17 and 442,116.07
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Solution
The fourth proportional to 748,187.78, 1,032,129.17 and 442,116.07 is: 609,901.56
Step by Step Solution
- Step 1: Write the proportion equation
748,187.78 : 1,032,129.17 = 442,116.07 : x - Step 2: Convert to fraction form
748,187.78/1,032,129.17 = 442,116.07/x - Step 3: Cross multiply
748,187.78x = 1,032,129.17 × 442,116.07 - Step 4: Simplify right side
748,187.78x = 456,320,889,239.79 - Step 5: Solve for x
x = 456,320,889,239.79/748,187.78 - Step 6: Final answer
x = 609,901.56
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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.