Finding the Fourth Proportional to 747,772.32, 1,031,877.76 and 408,239.84
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Solution
The fourth proportional to 747,772.32, 1,031,877.76 and 408,239.84 is: 563,344.75
Step by Step Solution
- Step 1: Write the proportion equation
747,772.32 : 1,031,877.76 = 408,239.84 : x - Step 2: Convert to fraction form
747,772.32/1,031,877.76 = 408,239.84/x - Step 3: Cross multiply
747,772.32x = 1,031,877.76 × 408,239.84 - Step 4: Simplify right side
747,772.32x = 421,253,611,641.96 - Step 5: Solve for x
x = 421,253,611,641.96/747,772.32 - Step 6: Final answer
x = 563,344.75
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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.