Finding the Fourth Proportional to 811,206.09, 1,119,340.06 and 466,975.51
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Solution
The fourth proportional to 811,206.09, 1,119,340.06 and 466,975.51 is: 644,354.62
Step by Step Solution
- Step 1: Write the proportion equation
811,206.09 : 1,119,340.06 = 466,975.51 : x - Step 2: Convert to fraction form
811,206.09/1,119,340.06 = 466,975.51/x - Step 3: Cross multiply
811,206.09x = 1,119,340.06 × 466,975.51 - Step 4: Simplify right side
811,206.09x = 522,704,391,416.14 - Step 5: Solve for x
x = 522,704,391,416.14/811,206.09 - Step 6: Final answer
x = 644,354.62
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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.