Finding the Fourth Proportional to 725,996.19, 1,088,283.47 and 406,304.18
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Solution
The fourth proportional to 725,996.19, 1,088,283.47 and 406,304.18 is: 609,058.45
Step by Step Solution
- Step 1: Write the proportion equation
725,996.19 : 1,088,283.47 = 406,304.18 : x - Step 2: Convert to fraction form
725,996.19/1,088,283.47 = 406,304.18/x - Step 3: Cross multiply
725,996.19x = 1,088,283.47 × 406,304.18 - Step 4: Simplify right side
725,996.19x = 442,174,115,412.97 - Step 5: Solve for x
x = 442,174,115,412.97/725,996.19 - Step 6: Final answer
x = 609,058.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.