Finding the Fourth Proportional to 633,835.68, 874,715.66 and 347,355.81
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Solution
The fourth proportional to 633,835.68, 874,715.66 and 347,355.81 is: 479,363.30
Step by Step Solution
- Step 1: Write the proportion equation
633,835.68 : 874,715.66 = 347,355.81 : x - Step 2: Convert to fraction form
633,835.68/874,715.66 = 347,355.81/x - Step 3: Cross multiply
633,835.68x = 874,715.66 × 347,355.81 - Step 4: Simplify right side
633,835.68x = 303,837,564,862.21 - Step 5: Solve for x
x = 303,837,564,862.21/633,835.68 - Step 6: Final answer
x = 479,363.30
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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.