Finding the Fourth Proportional to 830,340.33, 1,145,864.52 and 467,880.99
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Solution
The fourth proportional to 830,340.33, 1,145,864.52 and 467,880.99 is: 645,672.87
Step by Step Solution
- Step 1: Write the proportion equation
830,340.33 : 1,145,864.52 = 467,880.99 : x - Step 2: Convert to fraction form
830,340.33/1,145,864.52 = 467,880.99/x - Step 3: Cross multiply
830,340.33x = 1,145,864.52 × 467,880.99 - Step 4: Simplify right side
830,340.33x = 536,128,226,023.48 - Step 5: Solve for x
x = 536,128,226,023.48/830,340.33 - Step 6: Final answer
x = 645,672.87
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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.