Finding the Fourth Proportional to 756,742.30, 1,044,303.71 and 434,472.05
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Solution
The fourth proportional to 756,742.30, 1,044,303.71 and 434,472.05 is: 599,571.05
Step by Step Solution
- Step 1: Write the proportion equation
756,742.30 : 1,044,303.71 = 434,472.05 : x - Step 2: Convert to fraction form
756,742.30/1,044,303.71 = 434,472.05/x - Step 3: Cross multiply
756,742.30x = 1,044,303.71 × 434,472.05 - Step 4: Simplify right side
756,742.30x = 453,720,774,144.70 - Step 5: Solve for x
x = 453,720,774,144.70/756,742.30 - Step 6: Final answer
x = 599,571.05
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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.