Finding the Fourth Proportional to 822,925.52, 1,234,135.58 and 290,321.99
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Solution
The fourth proportional to 822,925.52, 1,234,135.58 and 290,321.99 is: 435,393.83
Step by Step Solution
- Step 1: Write the proportion equation
822,925.52 : 1,234,135.58 = 290,321.99 : x - Step 2: Convert to fraction form
822,925.52/1,234,135.58 = 290,321.99/x - Step 3: Cross multiply
822,925.52x = 1,234,135.58 × 290,321.99 - Step 4: Simplify right side
822,925.52x = 358,296,689,893.12 - Step 5: Solve for x
x = 358,296,689,893.12/822,925.52 - Step 6: Final answer
x = 435,393.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.