Finding the Fourth Proportional to 888,813.09, 1,226,561.27 and 501,709.99
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Solution
The fourth proportional to 888,813.09, 1,226,561.27 and 501,709.99 is: 692,359.34
Step by Step Solution
- Step 1: Write the proportion equation
888,813.09 : 1,226,561.27 = 501,709.99 : x - Step 2: Convert to fraction form
888,813.09/1,226,561.27 = 501,709.99/x - Step 3: Cross multiply
888,813.09x = 1,226,561.27 × 501,709.99 - Step 4: Simplify right side
888,813.09x = 615,378,041,251.81 - Step 5: Solve for x
x = 615,378,041,251.81/888,813.09 - Step 6: Final answer
x = 692,359.34
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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.