Finding the Fourth Proportional to 840,863.08, 1,161,052.21 and 676,999.06
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Solution
The fourth proportional to 840,863.08, 1,161,052.21 and 676,999.06 is: 934,791.02
Step by Step Solution
- Step 1: Write the proportion equation
840,863.08 : 1,161,052.21 = 676,999.06 : x - Step 2: Convert to fraction form
840,863.08/1,161,052.21 = 676,999.06/x - Step 3: Cross multiply
840,863.08x = 1,161,052.21 × 676,999.06 - Step 4: Simplify right side
840,863.08x = 786,031,254,780.92 - Step 5: Solve for x
x = 786,031,254,780.92/840,863.08 - Step 6: Final answer
x = 934,791.02
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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.