Finding the Fourth Proportional to 782,841.57, 1,080,303.06 and 460,572.42
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Solution
The fourth proportional to 782,841.57, 1,080,303.06 and 460,572.42 is: 635,579.17
Step by Step Solution
- Step 1: Write the proportion equation
782,841.57 : 1,080,303.06 = 460,572.42 : x - Step 2: Convert to fraction form
782,841.57/1,080,303.06 = 460,572.42/x - Step 3: Cross multiply
782,841.57x = 1,080,303.06 × 460,572.42 - Step 4: Simplify right side
782,841.57x = 497,557,794,677.61 - Step 5: Solve for x
x = 497,557,794,677.61/782,841.57 - Step 6: Final answer
x = 635,579.17
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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.