Finding the Fourth Proportional to 910,129.47, 1,255,977.70 and 502,231.19
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Solution
The fourth proportional to 910,129.47, 1,255,977.70 and 502,231.19 is: 693,078.50
Step by Step Solution
- Step 1: Write the proportion equation
910,129.47 : 1,255,977.70 = 502,231.19 : x - Step 2: Convert to fraction form
910,129.47/1,255,977.70 = 502,231.19/x - Step 3: Cross multiply
910,129.47x = 1,255,977.70 × 502,231.19 - Step 4: Simplify right side
910,129.47x = 630,791,167,349.00 - Step 5: Solve for x
x = 630,791,167,349.00/910,129.47 - Step 6: Final answer
x = 693,078.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.