Finding the Fourth Proportional to 792,813.80, 1,094,083.74 and 430,237.65
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Solution
The fourth proportional to 792,813.80, 1,094,083.74 and 430,237.65 is: 593,728.34
Step by Step Solution
- Step 1: Write the proportion equation
792,813.80 : 1,094,083.74 = 430,237.65 : x - Step 2: Convert to fraction form
792,813.80/1,094,083.74 = 430,237.65/x - Step 3: Cross multiply
792,813.80x = 1,094,083.74 × 430,237.65 - Step 4: Simplify right side
792,813.80x = 470,716,021,303.63 - Step 5: Solve for x
x = 470,716,021,303.63/792,813.80 - Step 6: Final answer
x = 593,728.34
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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.