Finding the Fourth Proportional to 880,434.08, 1,214,996.34 and 487,992.09
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Solution
The fourth proportional to 880,434.08, 1,214,996.34 and 487,992.09 is: 673,427.60
Step by Step Solution
- Step 1: Write the proportion equation
880,434.08 : 1,214,996.34 = 487,992.09 : x - Step 2: Convert to fraction form
880,434.08/1,214,996.34 = 487,992.09/x - Step 3: Cross multiply
880,434.08x = 1,214,996.34 × 487,992.09 - Step 4: Simplify right side
880,434.08x = 592,908,606,940.20 - Step 5: Solve for x
x = 592,908,606,940.20/880,434.08 - Step 6: Final answer
x = 673,427.60
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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.