Finding the Fourth Proportional to 666,207.68, 919,108.36 and 424,446.96
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Solution
The fourth proportional to 666,207.68, 919,108.36 and 424,446.96 is: 585,572.28
Step by Step Solution
- Step 1: Write the proportion equation
666,207.68 : 919,108.36 = 424,446.96 : x - Step 2: Convert to fraction form
666,207.68/919,108.36 = 424,446.96/x - Step 3: Cross multiply
666,207.68x = 919,108.36 × 424,446.96 - Step 4: Simplify right side
666,207.68x = 390,112,749,312.59 - Step 5: Solve for x
x = 390,112,749,312.59/666,207.68 - Step 6: Final answer
x = 585,572.28
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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.