Finding the Fourth Proportional to 792,792.24, 1,094,047.76 and 430,206.88
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Solution
The fourth proportional to 792,792.24, 1,094,047.76 and 430,206.88 is: 593,682.49
Step by Step Solution
- Step 1: Write the proportion equation
792,792.24 : 1,094,047.76 = 430,206.88 : x - Step 2: Convert to fraction form
792,792.24/1,094,047.76 = 430,206.88/x - Step 3: Cross multiply
792,792.24x = 1,094,047.76 × 430,206.88 - Step 4: Simplify right side
792,792.24x = 470,666,873,400.59 - Step 5: Solve for x
x = 470,666,873,400.59/792,792.24 - Step 6: Final answer
x = 593,682.49
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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.