Finding the Fourth Proportional to 713,787.06, 985,108.44 and 427,307.07
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Solution
The fourth proportional to 713,787.06, 985,108.44 and 427,307.07 is: 589,733.02
Step by Step Solution
- Step 1: Write the proportion equation
713,787.06 : 985,108.44 = 427,307.07 : x - Step 2: Convert to fraction form
713,787.06/985,108.44 = 427,307.07/x - Step 3: Cross multiply
713,787.06x = 985,108.44 × 427,307.07 - Step 4: Simplify right side
713,787.06x = 420,943,801,128.67 - Step 5: Solve for x
x = 420,943,801,128.67/713,787.06 - Step 6: Final answer
x = 589,733.02
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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.