Finding the Fourth Proportional to 862,312.29, 1,190,027.73 and 480,339.24
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Solution
The fourth proportional to 862,312.29, 1,190,027.73 and 480,339.24 is: 662,888.63
Step by Step Solution
- Step 1: Write the proportion equation
862,312.29 : 1,190,027.73 = 480,339.24 : x - Step 2: Convert to fraction form
862,312.29/1,190,027.73 = 480,339.24/x - Step 3: Cross multiply
862,312.29x = 1,190,027.73 × 480,339.24 - Step 4: Simplify right side
862,312.29x = 571,617,015,407.13 - Step 5: Solve for x
x = 571,617,015,407.13/862,312.29 - Step 6: Final answer
x = 662,888.63
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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.