Finding the Fourth Proportional to 961,526.99, 1,326,947.38 and 553,618.69
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Solution
The fourth proportional to 961,526.99, 1,326,947.38 and 553,618.69 is: 764,016.90
Step by Step Solution
- Step 1: Write the proportion equation
961,526.99 : 1,326,947.38 = 553,618.69 : x - Step 2: Convert to fraction form
961,526.99/1,326,947.38 = 553,618.69/x - Step 3: Cross multiply
961,526.99x = 1,326,947.38 × 553,618.69 - Step 4: Simplify right side
961,526.99x = 734,622,870,214.53 - Step 5: Solve for x
x = 734,622,870,214.53/961,526.99 - Step 6: Final answer
x = 764,016.90
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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.