Finding the Fourth Proportional to 702,591.68, 1,053,885.76 and 542,899.84
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Solution
The fourth proportional to 702,591.68, 1,053,885.76 and 542,899.84 is: 814,348.40
Step by Step Solution
- Step 1: Write the proportion equation
702,591.68 : 1,053,885.76 = 542,899.84 : x - Step 2: Convert to fraction form
702,591.68/1,053,885.76 = 542,899.84/x - Step 3: Cross multiply
702,591.68x = 1,053,885.76 × 542,899.84 - Step 4: Simplify right side
702,591.68x = 572,154,410,482.28 - Step 5: Solve for x
x = 572,154,410,482.28/702,591.68 - Step 6: Final answer
x = 814,348.40
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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.