Finding the Fourth Proportional to 715,343.68, 1,072,268.16 and 525,521.80
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Solution
The fourth proportional to 715,343.68, 1,072,268.16 and 525,521.80 is: 787,733.66
Step by Step Solution
- Step 1: Write the proportion equation
715,343.68 : 1,072,268.16 = 525,521.80 : x - Step 2: Convert to fraction form
715,343.68/1,072,268.16 = 525,521.80/x - Step 3: Cross multiply
715,343.68x = 1,072,268.16 × 525,521.80 - Step 4: Simplify right side
715,343.68x = 563,500,293,525.89 - Step 5: Solve for x
x = 563,500,293,525.89/715,343.68 - Step 6: Final answer
x = 787,733.66
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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.