Finding the Fourth Proportional to 578,122.10, 867,178.36 and 451,868.47
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Solution
The fourth proportional to 578,122.10, 867,178.36 and 451,868.47 is: 677,798.96
Step by Step Solution
- Step 1: Write the proportion equation
578,122.10 : 867,178.36 = 451,868.47 : x - Step 2: Convert to fraction form
578,122.10/867,178.36 = 451,868.47/x - Step 3: Cross multiply
578,122.10x = 867,178.36 × 451,868.47 - Step 4: Simplify right side
578,122.10x = 391,850,558,750.31 - Step 5: Solve for x
x = 391,850,558,750.31/578,122.10 - Step 6: Final answer
x = 677,798.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.