Finding the Fourth Proportional to 626,950.56, 865,201.80 and 355,011.12
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Solution
The fourth proportional to 626,950.56, 865,201.80 and 355,011.12 is: 489,921.02
Step by Step Solution
- Step 1: Write the proportion equation
626,950.56 : 865,201.80 = 355,011.12 : x - Step 2: Convert to fraction form
626,950.56/865,201.80 = 355,011.12/x - Step 3: Cross multiply
626,950.56x = 865,201.80 × 355,011.12 - Step 4: Simplify right side
626,950.56x = 307,156,260,044.02 - Step 5: Solve for x
x = 307,156,260,044.02/626,950.56 - Step 6: Final answer
x = 489,921.02
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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.