Finding the Fourth Proportional to 535,426.68, 738,909.36 and 293,719.44
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Solution
The fourth proportional to 535,426.68, 738,909.36 and 293,719.44 is: 405,344.10
Step by Step Solution
- Step 1: Write the proportion equation
535,426.68 : 738,909.36 = 293,719.44 : x - Step 2: Convert to fraction form
535,426.68/738,909.36 = 293,719.44/x - Step 3: Cross multiply
535,426.68x = 738,909.36 × 293,719.44 - Step 4: Simplify right side
535,426.68x = 217,032,043,429.96 - Step 5: Solve for x
x = 217,032,043,429.96/535,426.68 - Step 6: Final answer
x = 405,344.10
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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.