Finding the Fourth Proportional to 676,836.99, 934,459.74 and 435,538.91
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Solution
The fourth proportional to 676,836.99, 934,459.74 and 435,538.91 is: 601,316.98
Step by Step Solution
- Step 1: Write the proportion equation
676,836.99 : 934,459.74 = 435,538.91 : x - Step 2: Convert to fraction form
676,836.99/934,459.74 = 435,538.91/x - Step 3: Cross multiply
676,836.99x = 934,459.74 × 435,538.91 - Step 4: Simplify right side
676,836.99x = 406,993,571,926.19 - Step 5: Solve for x
x = 406,993,571,926.19/676,836.99 - Step 6: Final answer
x = 601,316.98
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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.