Finding the Fourth Proportional to 712,101.24, 982,675.06 and 406,276.62
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Solution
The fourth proportional to 712,101.24, 982,675.06 and 406,276.62 is: 560,647.67
Step by Step Solution
- Step 1: Write the proportion equation
712,101.24 : 982,675.06 = 406,276.62 : x - Step 2: Convert to fraction form
712,101.24/982,675.06 = 406,276.62/x - Step 3: Cross multiply
712,101.24x = 982,675.06 × 406,276.62 - Step 4: Simplify right side
712,101.24x = 399,237,901,935.10 - Step 5: Solve for x
x = 399,237,901,935.10/712,101.24 - Step 6: Final answer
x = 560,647.67
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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.