Finding the Fourth Proportional to 811,248.01, 1,119,866.97 and 505,475.47
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Solution
The fourth proportional to 811,248.01, 1,119,866.97 and 505,475.47 is: 697,770.94
Step by Step Solution
- Step 1: Write the proportion equation
811,248.01 : 1,119,866.97 = 505,475.47 : x - Step 2: Convert to fraction form
811,248.01/1,119,866.97 = 505,475.47/x - Step 3: Cross multiply
811,248.01x = 1,119,866.97 × 505,475.47 - Step 4: Simplify right side
811,248.01x = 566,065,282,998.23 - Step 5: Solve for x
x = 566,065,282,998.23/811,248.01 - Step 6: Final answer
x = 697,770.94
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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.