Finding the Fourth Proportional to 719,009.67, 992,592.86 and 447,165.12
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Solution
The fourth proportional to 719,009.67, 992,592.86 and 447,165.12 is: 617,311.45
Step by Step Solution
- Step 1: Write the proportion equation
719,009.67 : 992,592.86 = 447,165.12 : x - Step 2: Convert to fraction form
719,009.67/992,592.86 = 447,165.12/x - Step 3: Cross multiply
719,009.67x = 992,592.86 × 447,165.12 - Step 4: Simplify right side
719,009.67x = 443,852,903,117.22 - Step 5: Solve for x
x = 443,852,903,117.22/719,009.67 - Step 6: Final answer
x = 617,311.45
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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.