Finding the Fourth Proportional to 847,579.65, 1,169,672.50 and 460,402.62
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Solution
The fourth proportional to 847,579.65, 1,169,672.50 and 460,402.62 is: 635,362.45
Step by Step Solution
- Step 1: Write the proportion equation
847,579.65 : 1,169,672.50 = 460,402.62 : x - Step 2: Convert to fraction form
847,579.65/1,169,672.50 = 460,402.62/x - Step 3: Cross multiply
847,579.65x = 1,169,672.50 × 460,402.62 - Step 4: Simplify right side
847,579.65x = 538,520,283,541.95 - Step 5: Solve for x
x = 538,520,283,541.95/847,579.65 - Step 6: Final answer
x = 635,362.45
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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.