Finding the Fourth Proportional to 976,803.80, 1,465,205.70 and 935,331.80
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Solution
The fourth proportional to 976,803.80, 1,465,205.70 and 935,331.80 is: 1,402,997.70
Step by Step Solution
- Step 1: Write the proportion equation
976,803.80 : 1,465,205.70 = 935,331.80 : x - Step 2: Convert to fraction form
976,803.80/1,465,205.70 = 935,331.80/x - Step 3: Cross multiply
976,803.80x = 1,465,205.70 × 935,331.80 - Step 4: Simplify right side
976,803.80x = 1,370,453,484,751.26 - Step 5: Solve for x
x = 1,370,453,484,751.26/976,803.80 - Step 6: Final answer
x = 1,402,997.70
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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.