Finding the Fourth Proportional to 864,027.60, 1,296,235.80 and 508,858.80
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Solution
The fourth proportional to 864,027.60, 1,296,235.80 and 508,858.80 is: 763,402.69
Step by Step Solution
- Step 1: Write the proportion equation
864,027.60 : 1,296,235.80 = 508,858.80 : x - Step 2: Convert to fraction form
864,027.60/1,296,235.80 = 508,858.80/x - Step 3: Cross multiply
864,027.60x = 1,296,235.80 × 508,858.80 - Step 4: Simplify right side
864,027.60x = 659,600,993,705.04 - Step 5: Solve for x
x = 659,600,993,705.04/864,027.60 - Step 6: Final answer
x = 763,402.69
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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.