Finding the Fourth Proportional to 947,446.41, 1,307,479.53 and 517,726.62
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Solution
The fourth proportional to 947,446.41, 1,307,479.53 and 517,726.62 is: 714,464.64
Step by Step Solution
- Step 1: Write the proportion equation
947,446.41 : 1,307,479.53 = 517,726.62 : x - Step 2: Convert to fraction form
947,446.41/1,307,479.53 = 517,726.62/x - Step 3: Cross multiply
947,446.41x = 1,307,479.53 × 517,726.62 - Step 4: Simplify right side
947,446.41x = 676,916,957,786.09 - Step 5: Solve for x
x = 676,916,957,786.09/947,446.41 - Step 6: Final answer
x = 714,464.64
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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.