Finding the Fourth Proportional to 708,073.68, 976,186.08 and 686,058.96
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Solution
The fourth proportional to 708,073.68, 976,186.08 and 686,058.96 is: 945,835.48
Step by Step Solution
- Step 1: Write the proportion equation
708,073.68 : 976,186.08 = 686,058.96 : x - Step 2: Convert to fraction form
708,073.68/976,186.08 = 686,058.96/x - Step 3: Cross multiply
708,073.68x = 976,186.08 × 686,058.96 - Step 4: Simplify right side
708,073.68x = 669,721,206,811.28 - Step 5: Solve for x
x = 669,721,206,811.28/708,073.68 - Step 6: Final answer
x = 945,835.48
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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.