Finding the Fourth Proportional to 877,118.94, 1,316,203.20 and 378,482.94
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Solution
The fourth proportional to 877,118.94, 1,316,203.20 and 378,482.94 is: 567,950.86
Step by Step Solution
- Step 1: Write the proportion equation
877,118.94 : 1,316,203.20 = 378,482.94 : x - Step 2: Convert to fraction form
877,118.94/1,316,203.20 = 378,482.94/x - Step 3: Cross multiply
877,118.94x = 1,316,203.20 × 378,482.94 - Step 4: Simplify right side
877,118.94x = 498,160,456,773.41 - Step 5: Solve for x
x = 498,160,456,773.41/877,118.94 - Step 6: Final answer
x = 567,950.86
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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.