Finding the Fourth Proportional to 926,817.13, 1,279,027.07 and 524,409.13
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Solution
The fourth proportional to 926,817.13, 1,279,027.07 and 524,409.13 is: 723,695.59
Step by Step Solution
- Step 1: Write the proportion equation
926,817.13 : 1,279,027.07 = 524,409.13 : x - Step 2: Convert to fraction form
926,817.13/1,279,027.07 = 524,409.13/x - Step 3: Cross multiply
926,817.13x = 1,279,027.07 × 524,409.13 - Step 4: Simplify right side
926,817.13x = 670,733,473,025.15 - Step 5: Solve for x
x = 670,733,473,025.15/926,817.13 - Step 6: Final answer
x = 723,695.59
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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.