Finding the Fourth Proportional to 767,803.44, 1,059,651 and 428,389.68
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Solution
The fourth proportional to 767,803.44, 1,059,651 and 428,389.68 is: 591,223.65
Step by Step Solution
- Step 1: Write the proportion equation
767,803.44 : 1,059,651 = 428,389.68 : x - Step 2: Convert to fraction form
767,803.44/1,059,651 = 428,389.68/x - Step 3: Cross multiply
767,803.44x = 1,059,651 × 428,389.68 - Step 4: Simplify right side
767,803.44x = 453,943,552,801.68 - Step 5: Solve for x
x = 453,943,552,801.68/767,803.44 - Step 6: Final answer
x = 591,223.65
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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.