Finding the Fourth Proportional to 984,965.80, 1,477,448.70 and 652,541.80
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Solution
The fourth proportional to 984,965.80, 1,477,448.70 and 652,541.80 is: 978,812.70
Step by Step Solution
- Step 1: Write the proportion equation
984,965.80 : 1,477,448.70 = 652,541.80 : x - Step 2: Convert to fraction form
984,965.80/1,477,448.70 = 652,541.80/x - Step 3: Cross multiply
984,965.80x = 1,477,448.70 × 652,541.80 - Step 4: Simplify right side
984,965.80x = 964,097,034,105.66 - Step 5: Solve for x
x = 964,097,034,105.66/984,965.80 - Step 6: Final answer
x = 978,812.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.