Finding the Fourth Proportional to 626,517.81, 864,587.39 and 340,038.09
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Solution
The fourth proportional to 626,517.81, 864,587.39 and 340,038.09 is: 469,248.66
Step by Step Solution
- Step 1: Write the proportion equation
626,517.81 : 864,587.39 = 340,038.09 : x - Step 2: Convert to fraction form
626,517.81/864,587.39 = 340,038.09/x - Step 3: Cross multiply
626,517.81x = 864,587.39 × 340,038.09 - Step 4: Simplify right side
626,517.81x = 293,992,643,033.50 - Step 5: Solve for x
x = 293,992,643,033.50/626,517.81 - Step 6: Final answer
x = 469,248.66
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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.