Finding the Fourth Proportional to 790,952.18, 1,091,513.62 and 428,376.02
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Solution
The fourth proportional to 790,952.18, 1,091,513.62 and 428,376.02 is: 591,158.70
Step by Step Solution
- Step 1: Write the proportion equation
790,952.18 : 1,091,513.62 = 428,376.02 : x - Step 2: Convert to fraction form
790,952.18/1,091,513.62 = 428,376.02/x - Step 3: Cross multiply
790,952.18x = 1,091,513.62 × 428,376.02 - Step 4: Simplify right side
790,952.18x = 467,578,255,924.76 - Step 5: Solve for x
x = 467,578,255,924.76/790,952.18 - Step 6: Final answer
x = 591,158.70
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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.