Finding the Fourth Proportional to 756,530.25, 1,044,011.75 and 417,005.79
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Solution
The fourth proportional to 756,530.25, 1,044,011.75 and 417,005.79 is: 575,467.99
Step by Step Solution
- Step 1: Write the proportion equation
756,530.25 : 1,044,011.75 = 417,005.79 : x - Step 2: Convert to fraction form
756,530.25/1,044,011.75 = 417,005.79/x - Step 3: Cross multiply
756,530.25x = 1,044,011.75 × 417,005.79 - Step 4: Simplify right side
756,530.25x = 435,358,942,493.00 - Step 5: Solve for x
x = 435,358,942,493.00/756,530.25 - Step 6: Final answer
x = 575,467.99
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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.