Finding the Fourth Proportional to 984,967.80, 1,477,451.70 and 652,543.80
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Solution
The fourth proportional to 984,967.80, 1,477,451.70 and 652,543.80 is: 978,815.70
Step by Step Solution
- Step 1: Write the proportion equation
984,967.80 : 1,477,451.70 = 652,543.80 : x - Step 2: Convert to fraction form
984,967.80/1,477,451.70 = 652,543.80/x - Step 3: Cross multiply
984,967.80x = 1,477,451.70 × 652,543.80 - Step 4: Simplify right side
984,967.80x = 964,101,946,634.46 - Step 5: Solve for x
x = 964,101,946,634.46/984,967.80 - Step 6: Final answer
x = 978,815.70
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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.