Finding the Fourth Proportional to 866,455.23, 1,195,753.61 and 498,988.14
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Solution
The fourth proportional to 866,455.23, 1,195,753.61 and 498,988.14 is: 688,629.78
Step by Step Solution
- Step 1: Write the proportion equation
866,455.23 : 1,195,753.61 = 498,988.14 : x - Step 2: Convert to fraction form
866,455.23/1,195,753.61 = 498,988.14/x - Step 3: Cross multiply
866,455.23x = 1,195,753.61 × 498,988.14 - Step 4: Simplify right side
866,455.23x = 596,666,872,225.49 - Step 5: Solve for x
x = 596,666,872,225.49/866,455.23 - Step 6: Final answer
x = 688,629.78
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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.