Finding the Fourth Proportional to 884,601.68, 1,220,714.16 and 497,406.08
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Solution
The fourth proportional to 884,601.68, 1,220,714.16 and 497,406.08 is: 686,400.06
Step by Step Solution
- Step 1: Write the proportion equation
884,601.68 : 1,220,714.16 = 497,406.08 : x - Step 2: Convert to fraction form
884,601.68/1,220,714.16 = 497,406.08/x - Step 3: Cross multiply
884,601.68x = 1,220,714.16 × 497,406.08 - Step 4: Simplify right side
884,601.68x = 607,190,645,126.09 - Step 5: Solve for x
x = 607,190,645,126.09/884,601.68 - Step 6: Final answer
x = 686,400.06
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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.