Finding the Fourth Proportional to 759,897.05, 1,048,654.14 and 415,726.74
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Solution
The fourth proportional to 759,897.05, 1,048,654.14 and 415,726.74 is: 573,700.83
Step by Step Solution
- Step 1: Write the proportion equation
759,897.05 : 1,048,654.14 = 415,726.74 : x - Step 2: Convert to fraction form
759,897.05/1,048,654.14 = 415,726.74/x - Step 3: Cross multiply
759,897.05x = 1,048,654.14 × 415,726.74 - Step 4: Simplify right side
759,897.05x = 435,953,567,009.70 - Step 5: Solve for x
x = 435,953,567,009.70/759,897.05 - Step 6: Final answer
x = 573,700.83
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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.