Finding the Fourth Proportional to 703,031.13, 970,177.50 and 380,733.75
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Solution
The fourth proportional to 703,031.13, 970,177.50 and 380,733.75 is: 525,409.62
Step by Step Solution
- Step 1: Write the proportion equation
703,031.13 : 970,177.50 = 380,733.75 : x - Step 2: Convert to fraction form
703,031.13/970,177.50 = 380,733.75/x - Step 3: Cross multiply
703,031.13x = 970,177.50 × 380,733.75 - Step 4: Simplify right side
703,031.13x = 369,379,317,740.63 - Step 5: Solve for x
x = 369,379,317,740.63/703,031.13 - Step 6: Final answer
x = 525,409.62
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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.