Finding the Fourth Proportional to 759,655.41, 1,048,282.07 and 415,423.41
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Solution
The fourth proportional to 759,655.41, 1,048,282.07 and 415,423.41 is: 573,261.12
Step by Step Solution
- Step 1: Write the proportion equation
759,655.41 : 1,048,282.07 = 415,423.41 : x - Step 2: Convert to fraction form
759,655.41/1,048,282.07 = 415,423.41/x - Step 3: Cross multiply
759,655.41x = 1,048,282.07 × 415,423.41 - Step 4: Simplify right side
759,655.41x = 435,480,910,084.14 - Step 5: Solve for x
x = 435,480,910,084.14/759,655.41 - Step 6: Final answer
x = 573,261.12
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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.