Finding the Fourth Proportional to 891,510.10, 1,230,279.84 and 483,612.12
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Solution
The fourth proportional to 891,510.10, 1,230,279.84 and 483,612.12 is: 667,382.50
Step by Step Solution
- Step 1: Write the proportion equation
891,510.10 : 1,230,279.84 = 483,612.12 : x - Step 2: Convert to fraction form
891,510.10/1,230,279.84 = 483,612.12/x - Step 3: Cross multiply
891,510.10x = 1,230,279.84 × 483,612.12 - Step 4: Simplify right side
891,510.10x = 594,978,241,615.66 - Step 5: Solve for x
x = 594,978,241,615.66/891,510.10 - Step 6: Final answer
x = 667,382.50
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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.