Finding the Fourth Proportional to 632,894.87, 873,403.11 and 346,408.80
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Solution
The fourth proportional to 632,894.87, 873,403.11 and 346,408.80 is: 478,048.63
Step by Step Solution
- Step 1: Write the proportion equation
632,894.87 : 873,403.11 = 346,408.80 : x - Step 2: Convert to fraction form
632,894.87/873,403.11 = 346,408.80/x - Step 3: Cross multiply
632,894.87x = 873,403.11 × 346,408.80 - Step 4: Simplify right side
632,894.87x = 302,554,523,251.37 - Step 5: Solve for x
x = 302,554,523,251.37/632,894.87 - Step 6: Final answer
x = 478,048.63
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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.