Finding the Fourth Proportional to 709,585.09, 1,064,517.66 and 260,309.68
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Solution
The fourth proportional to 709,585.09, 1,064,517.66 and 260,309.68 is: 390,515.89
Step by Step Solution
- Step 1: Write the proportion equation
709,585.09 : 1,064,517.66 = 260,309.68 : x - Step 2: Convert to fraction form
709,585.09/1,064,517.66 = 260,309.68/x - Step 3: Cross multiply
709,585.09x = 1,064,517.66 × 260,309.68 - Step 4: Simplify right side
709,585.09x = 277,104,251,428.95 - Step 5: Solve for x
x = 277,104,251,428.95/709,585.09 - Step 6: Final answer
x = 390,515.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.