Finding the Fourth Proportional to 847,121.28, 1,169,132.68 and 484,494.80
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Solution
The fourth proportional to 847,121.28, 1,169,132.68 and 484,494.80 is: 668,663.06
Step by Step Solution
- Step 1: Write the proportion equation
847,121.28 : 1,169,132.68 = 484,494.80 : x - Step 2: Convert to fraction form
847,121.28/1,169,132.68 = 484,494.80/x - Step 3: Cross multiply
847,121.28x = 1,169,132.68 × 484,494.80 - Step 4: Simplify right side
847,121.28x = 566,438,703,970.06 - Step 5: Solve for x
x = 566,438,703,970.06/847,121.28 - Step 6: Final answer
x = 668,663.06
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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.