Finding the Fourth Proportional to 856,803.05, 1,182,368.09 and 474,821.63
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Solution
The fourth proportional to 856,803.05, 1,182,368.09 and 474,821.63 is: 655,242.70
Step by Step Solution
- Step 1: Write the proportion equation
856,803.05 : 1,182,368.09 = 474,821.63 : x - Step 2: Convert to fraction form
856,803.05/1,182,368.09 = 474,821.63/x - Step 3: Cross multiply
856,803.05x = 1,182,368.09 × 474,821.63 - Step 4: Simplify right side
856,803.05x = 561,413,940,792.01 - Step 5: Solve for x
x = 561,413,940,792.01/856,803.05 - Step 6: Final answer
x = 655,242.70
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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.