Finding the Fourth Proportional to 772,566.88, 1,065,745.98 and 466,474.36
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Solution
The fourth proportional to 772,566.88, 1,065,745.98 and 466,474.36 is: 643,495.32
Step by Step Solution
- Step 1: Write the proportion equation
772,566.88 : 1,065,745.98 = 466,474.36 : x - Step 2: Convert to fraction form
772,566.88/1,065,745.98 = 466,474.36/x - Step 3: Cross multiply
772,566.88x = 1,065,745.98 × 466,474.36 - Step 4: Simplify right side
772,566.88x = 497,143,173,943.07 - Step 5: Solve for x
x = 497,143,173,943.07/772,566.88 - Step 6: Final answer
x = 643,495.32
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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.