Finding the Fourth Proportional to 784,189.94, 1,174,390.17 and 446,206.58
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Solution
The fourth proportional to 784,189.94, 1,174,390.17 and 446,206.58 is: 668,231.76
Step by Step Solution
- Step 1: Write the proportion equation
784,189.94 : 1,174,390.17 = 446,206.58 : x - Step 2: Convert to fraction form
784,189.94/1,174,390.17 = 446,206.58/x - Step 3: Cross multiply
784,189.94x = 1,174,390.17 × 446,206.58 - Step 4: Simplify right side
784,189.94x = 524,020,621,341.32 - Step 5: Solve for x
x = 524,020,621,341.32/784,189.94 - Step 6: Final answer
x = 668,231.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.