Finding the Fourth Proportional to 756,784.79, 1,044,371.16 and 412,617.91
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Solution
The fourth proportional to 756,784.79, 1,044,371.16 and 412,617.91 is: 569,417.15
Step by Step Solution
- Step 1: Write the proportion equation
756,784.79 : 1,044,371.16 = 412,617.91 : x - Step 2: Convert to fraction form
756,784.79/1,044,371.16 = 412,617.91/x - Step 3: Cross multiply
756,784.79x = 1,044,371.16 × 412,617.91 - Step 4: Simplify right side
756,784.79x = 430,926,241,145.23 - Step 5: Solve for x
x = 430,926,241,145.23/756,784.79 - Step 6: Final answer
x = 569,417.15
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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.