Finding the Fourth Proportional to 633,078.96, 873,651.52 and 346,625.70
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Solution
The fourth proportional to 633,078.96, 873,651.52 and 346,625.70 is: 478,344.87
Step by Step Solution
- Step 1: Write the proportion equation
633,078.96 : 873,651.52 = 346,625.70 : x - Step 2: Convert to fraction form
633,078.96/873,651.52 = 346,625.70/x - Step 3: Cross multiply
633,078.96x = 873,651.52 × 346,625.70 - Step 4: Simplify right side
633,078.96x = 302,830,069,676.06 - Step 5: Solve for x
x = 302,830,069,676.06/633,078.96 - Step 6: Final answer
x = 478,344.87
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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.