Finding the Fourth Proportional to 566,282.68, 781,470.21 and 311,633.87
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Solution
The fourth proportional to 566,282.68, 781,470.21 and 311,633.87 is: 430,054.80
Step by Step Solution
- Step 1: Write the proportion equation
566,282.68 : 781,470.21 = 311,633.87 : x - Step 2: Convert to fraction form
566,282.68/781,470.21 = 311,633.87/x - Step 3: Cross multiply
566,282.68x = 781,470.21 × 311,633.87 - Step 4: Simplify right side
566,282.68x = 243,532,583,093.29 - Step 5: Solve for x
x = 243,532,583,093.29/566,282.68 - Step 6: Final answer
x = 430,054.80
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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.