Finding the Fourth Proportional to 626,545.09, 864,609.06 and 340,059.03
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Solution
The fourth proportional to 626,545.09, 864,609.06 and 340,059.03 is: 469,268.89
Step by Step Solution
- Step 1: Write the proportion equation
626,545.09 : 864,609.06 = 340,059.03 : x - Step 2: Convert to fraction form
626,545.09/864,609.06 = 340,059.03/x - Step 3: Cross multiply
626,545.09x = 864,609.06 × 340,059.03 - Step 4: Simplify right side
626,545.09x = 294,018,118,272.81 - Step 5: Solve for x
x = 294,018,118,272.81/626,545.09 - Step 6: Final answer
x = 469,268.89
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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.