Finding the Fourth Proportional to 719,014.68, 992,599.76 and 447,170.12
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Solution
The fourth proportional to 719,014.68, 992,599.76 and 447,170.12 is: 617,318.35
Step by Step Solution
- Step 1: Write the proportion equation
719,014.68 : 992,599.76 = 447,170.12 : x - Step 2: Convert to fraction form
719,014.68/992,599.76 = 447,170.12/x - Step 3: Cross multiply
719,014.68x = 992,599.76 × 447,170.12 - Step 4: Simplify right side
719,014.68x = 443,860,953,791.17 - Step 5: Solve for x
x = 443,860,953,791.17/719,014.68 - Step 6: Final answer
x = 617,318.35
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1.5x scale
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.