Finding the Fourth Proportional to 637,275.84, 878,949.44 and 395,701.44
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Solution
The fourth proportional to 637,275.84, 878,949.44 and 395,701.44 is: 545,762.98
Step by Step Solution
- Step 1: Write the proportion equation
637,275.84 : 878,949.44 = 395,701.44 : x - Step 2: Convert to fraction form
637,275.84/878,949.44 = 395,701.44/x - Step 3: Cross multiply
637,275.84x = 878,949.44 × 395,701.44 - Step 4: Simplify right side
637,275.84x = 347,801,559,095.19 - Step 5: Solve for x
x = 347,801,559,095.19/637,275.84 - Step 6: Final answer
x = 545,762.98
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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.