Finding the Fourth Proportional to 1,412,533.60, 2,118,022.80 and 465,416.80
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Solution
The fourth proportional to 1,412,533.60, 2,118,022.80 and 465,416.80 is: 697,868.99
Step by Step Solution
- Step 1: Write the proportion equation
1,412,533.60 : 2,118,022.80 = 465,416.80 : x - Step 2: Convert to fraction form
1,412,533.60/2,118,022.80 = 465,416.80/x - Step 3: Cross multiply
1,412,533.60x = 2,118,022.80 × 465,416.80 - Step 4: Simplify right side
1,412,533.60x = 985,763,393,903.04 - Step 5: Solve for x
x = 985,763,393,903.04/1,412,533.60 - Step 6: Final answer
x = 697,868.99
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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.