Finding the Fourth Proportional to 972,279.20, 1,341,206.16 and 569,793.44
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Solution
The fourth proportional to 972,279.20, 1,341,206.16 and 569,793.44 is: 785,998.99
Step by Step Solution
- Step 1: Write the proportion equation
972,279.20 : 1,341,206.16 = 569,793.44 : x - Step 2: Convert to fraction form
972,279.20/1,341,206.16 = 569,793.44/x - Step 3: Cross multiply
972,279.20x = 1,341,206.16 × 569,793.44 - Step 4: Simplify right side
972,279.20x = 764,210,471,655.59 - Step 5: Solve for x
x = 764,210,471,655.59/972,279.20 - Step 6: Final answer
x = 785,998.99
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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.