Finding the Fourth Proportional to 756,609.08, 1,044,122.82 and 417,070.04
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Solution
The fourth proportional to 756,609.08, 1,044,122.82 and 417,070.04 is: 575,557.92
Step by Step Solution
- Step 1: Write the proportion equation
756,609.08 : 1,044,122.82 = 417,070.04 : x - Step 2: Convert to fraction form
756,609.08/1,044,122.82 = 417,070.04/x - Step 3: Cross multiply
756,609.08x = 1,044,122.82 × 417,070.04 - Step 4: Simplify right side
756,609.08x = 435,472,346,302.31 - Step 5: Solve for x
x = 435,472,346,302.31/756,609.08 - Step 6: Final answer
x = 575,557.92
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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.