Finding the Fourth Proportional to 747,696.96, 1,031,823.36 and 408,170.88
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Solution
The fourth proportional to 747,696.96, 1,031,823.36 and 408,170.88 is: 563,276.66
Step by Step Solution
- Step 1: Write the proportion equation
747,696.96 : 1,031,823.36 = 408,170.88 : x - Step 2: Convert to fraction form
747,696.96/1,031,823.36 = 408,170.88/x - Step 3: Cross multiply
747,696.96x = 1,031,823.36 × 408,170.88 - Step 4: Simplify right side
747,696.96x = 421,160,248,855.76 - Step 5: Solve for x
x = 421,160,248,855.76/747,696.96 - Step 6: Final answer
x = 563,276.66
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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.