Finding the Fourth Proportional to 578,896.44, 798,877.06 and 352,541.94
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Solution
The fourth proportional to 578,896.44, 798,877.06 and 352,541.94 is: 486,507.86
Step by Step Solution
- Step 1: Write the proportion equation
578,896.44 : 798,877.06 = 352,541.94 : x - Step 2: Convert to fraction form
578,896.44/798,877.06 = 352,541.94/x - Step 3: Cross multiply
578,896.44x = 798,877.06 × 352,541.94 - Step 4: Simplify right side
578,896.44x = 281,637,668,553.90 - Step 5: Solve for x
x = 281,637,668,553.90/578,896.44 - Step 6: Final answer
x = 486,507.86
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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.