Finding the Fourth Proportional to 838,297.80, 1,257,446.70 and 667,055.70
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Solution
The fourth proportional to 838,297.80, 1,257,446.70 and 667,055.70 is: 1,000,583.55
Step by Step Solution
- Step 1: Write the proportion equation
838,297.80 : 1,257,446.70 = 667,055.70 : x - Step 2: Convert to fraction form
838,297.80/1,257,446.70 = 667,055.70/x - Step 3: Cross multiply
838,297.80x = 1,257,446.70 × 667,055.70 - Step 4: Simplify right side
838,297.80x = 838,786,988,681.19 - Step 5: Solve for x
x = 838,786,988,681.19/838,297.80 - Step 6: Final answer
x = 1,000,583.55
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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.