Finding the Fourth Proportional to 564,912.88, 779,577.28 and 306,787.80
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Solution
The fourth proportional to 564,912.88, 779,577.28 and 306,787.80 is: 423,365.81
Step by Step Solution
- Step 1: Write the proportion equation
564,912.88 : 779,577.28 = 306,787.80 : x - Step 2: Convert to fraction form
564,912.88/779,577.28 = 306,787.80/x - Step 3: Cross multiply
564,912.88x = 779,577.28 × 306,787.80 - Step 4: Simplify right side
564,912.88x = 239,164,798,661.18 - Step 5: Solve for x
x = 239,164,798,661.18/564,912.88 - Step 6: Final answer
x = 423,365.81
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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.