Finding the Fourth Proportional to 782,681.40, 1,175,447.70 and 684,703.80
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Solution
The fourth proportional to 782,681.40, 1,175,447.70 and 684,703.80 is: 1,028,302.84
Step by Step Solution
- Step 1: Write the proportion equation
782,681.40 : 1,175,447.70 = 684,703.80 : x - Step 2: Convert to fraction form
782,681.40/1,175,447.70 = 684,703.80/x - Step 3: Cross multiply
782,681.40x = 1,175,447.70 × 684,703.80 - Step 4: Simplify right side
782,681.40x = 804,833,506,891.26 - Step 5: Solve for x
x = 804,833,506,891.26/782,681.40 - Step 6: Final answer
x = 1,028,302.84
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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.