Finding the Fourth Proportional to 747,980.84, 1,121,963.16 and 597,515.24
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Solution
The fourth proportional to 747,980.84, 1,121,963.16 and 597,515.24 is: 896,266.39
Step by Step Solution
- Step 1: Write the proportion equation
747,980.84 : 1,121,963.16 = 597,515.24 : x - Step 2: Convert to fraction form
747,980.84/1,121,963.16 = 597,515.24/x - Step 3: Cross multiply
747,980.84x = 1,121,963.16 × 597,515.24 - Step 4: Simplify right side
747,980.84x = 670,390,086,818.56 - Step 5: Solve for x
x = 670,390,086,818.56/747,980.84 - Step 6: Final answer
x = 896,266.39
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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.