Finding the Fourth Proportional to 814,864.86, 1,124,497.49 and 452,293.07
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Solution
The fourth proportional to 814,864.86, 1,124,497.49 and 452,293.07 is: 624,155.54
Step by Step Solution
- Step 1: Write the proportion equation
814,864.86 : 1,124,497.49 = 452,293.07 : x - Step 2: Convert to fraction form
814,864.86/1,124,497.49 = 452,293.07/x - Step 3: Cross multiply
814,864.86x = 1,124,497.49 × 452,293.07 - Step 4: Simplify right side
814,864.86x = 508,602,414,075.44 - Step 5: Solve for x
x = 508,602,414,075.44/814,864.86 - Step 6: Final answer
x = 624,155.54
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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.