Finding the Fourth Proportional to 626,510.71, 864,562.84 and 340,025.05
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Solution
The fourth proportional to 626,510.71, 864,562.84 and 340,025.05 is: 469,222.66
Step by Step Solution
- Step 1: Write the proportion equation
626,510.71 : 864,562.84 = 340,025.05 : x - Step 2: Convert to fraction form
626,510.71/864,562.84 = 340,025.05/x - Step 3: Cross multiply
626,510.71x = 864,562.84 × 340,025.05 - Step 4: Simplify right side
626,510.71x = 293,973,022,899.14 - Step 5: Solve for x
x = 293,973,022,899.14/626,510.71 - Step 6: Final answer
x = 469,222.66
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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.