Finding the Fourth Proportional to 565,048.68, 779,971.88 and 374,123.58
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Solution
The fourth proportional to 565,048.68, 779,971.88 and 374,123.58 is: 516,426.07
Step by Step Solution
- Step 1: Write the proportion equation
565,048.68 : 779,971.88 = 374,123.58 : x - Step 2: Convert to fraction form
565,048.68/779,971.88 = 374,123.58/x - Step 3: Cross multiply
565,048.68x = 779,971.88 × 374,123.58 - Step 4: Simplify right side
565,048.68x = 291,805,870,174.31 - Step 5: Solve for x
x = 291,805,870,174.31/565,048.68 - Step 6: Final answer
x = 516,426.07
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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.