Finding the Fourth Proportional to 805,044.76, 1,110,982.97 and 442,478.30
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Solution
The fourth proportional to 805,044.76, 1,110,982.97 and 442,478.30 is: 610,631.70
Step by Step Solution
- Step 1: Write the proportion equation
805,044.76 : 1,110,982.97 = 442,478.30 : x - Step 2: Convert to fraction form
805,044.76/1,110,982.97 = 442,478.30/x - Step 3: Cross multiply
805,044.76x = 1,110,982.97 × 442,478.30 - Step 4: Simplify right side
805,044.76x = 491,585,851,445.83 - Step 5: Solve for x
x = 491,585,851,445.83/805,044.76 - Step 6: Final answer
x = 610,631.70
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1.5x scale
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.