Finding the Fourth Proportional to 756,698.18, 1,044,192.93 and 434,363.54
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Solution
The fourth proportional to 756,698.18, 1,044,192.93 and 434,363.54 is: 599,392.66
Step by Step Solution
- Step 1: Write the proportion equation
756,698.18 : 1,044,192.93 = 434,363.54 : x - Step 2: Convert to fraction form
756,698.18/1,044,192.93 = 434,363.54/x - Step 3: Cross multiply
756,698.18x = 1,044,192.93 × 434,363.54 - Step 4: Simplify right side
756,698.18x = 453,559,332,296.81 - Step 5: Solve for x
x = 453,559,332,296.81/756,698.18 - Step 6: Final answer
x = 599,392.66
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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.