Finding the Fourth Proportional to 851,662.03, 1,175,294.67 and 464,478.09
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Solution
The fourth proportional to 851,662.03, 1,175,294.67 and 464,478.09 is: 640,980.35
Step by Step Solution
- Step 1: Write the proportion equation
851,662.03 : 1,175,294.67 = 464,478.09 : x - Step 2: Convert to fraction form
851,662.03/1,175,294.67 = 464,478.09/x - Step 3: Cross multiply
851,662.03x = 1,175,294.67 × 464,478.09 - Step 4: Simplify right side
851,662.03x = 545,898,623,508.78 - Step 5: Solve for x
x = 545,898,623,508.78/851,662.03 - Step 6: Final answer
x = 640,980.35
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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.