Finding the Fourth Proportional to 632,618.58, 873,024.57 and 346,163.70
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Solution
The fourth proportional to 632,618.58, 873,024.57 and 346,163.70 is: 477,711.89
Step by Step Solution
- Step 1: Write the proportion equation
632,618.58 : 873,024.57 = 346,163.70 : x - Step 2: Convert to fraction form
632,618.58/873,024.57 = 346,163.70/x - Step 3: Cross multiply
632,618.58x = 873,024.57 × 346,163.70 - Step 4: Simplify right side
632,618.58x = 302,209,415,342.11 - Step 5: Solve for x
x = 302,209,415,342.11/632,618.58 - Step 6: Final answer
x = 477,711.89
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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.