Finding the Fourth Proportional to 862,027.08, 1,189,521.18 and 499,335
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Solution
The fourth proportional to 862,027.08, 1,189,521.18 and 499,335 is: 689,038.17
Step by Step Solution
- Step 1: Write the proportion equation
862,027.08 : 1,189,521.18 = 499,335 : x - Step 2: Convert to fraction form
862,027.08/1,189,521.18 = 499,335/x - Step 3: Cross multiply
862,027.08x = 1,189,521.18 × 499,335 - Step 4: Simplify right side
862,027.08x = 593,969,558,415.30 - Step 5: Solve for x
x = 593,969,558,415.30/862,027.08 - Step 6: Final answer
x = 689,038.17
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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.