Finding the Fourth Proportional to 756,555.99, 1,044,015.81 and 412,384.35
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Solution
The fourth proportional to 756,555.99, 1,044,015.81 and 412,384.35 is: 569,073.26
Step by Step Solution
- Step 1: Write the proportion equation
756,555.99 : 1,044,015.81 = 412,384.35 : x - Step 2: Convert to fraction form
756,555.99/1,044,015.81 = 412,384.35/x - Step 3: Cross multiply
756,555.99x = 1,044,015.81 × 412,384.35 - Step 4: Simplify right side
756,555.99x = 430,535,781,196.57 - Step 5: Solve for x
x = 430,535,781,196.57/756,555.99 - Step 6: Final answer
x = 569,073.26
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1.5x scale
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.