Finding the Fourth Proportional to 899,376.84, 1,241,210.79 and 512,208.63
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Solution
The fourth proportional to 899,376.84, 1,241,210.79 and 512,208.63 is: 706,888.20
Step by Step Solution
- Step 1: Write the proportion equation
899,376.84 : 1,241,210.79 = 512,208.63 : x - Step 2: Convert to fraction form
899,376.84/1,241,210.79 = 512,208.63/x - Step 3: Cross multiply
899,376.84x = 1,241,210.79 × 512,208.63 - Step 4: Simplify right side
899,376.84x = 635,758,878,287.12 - Step 5: Solve for x
x = 635,758,878,287.12/899,376.84 - Step 6: Final answer
x = 706,888.20
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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.