Finding the Fourth Proportional to 947,124.93, 1,307,079.06 and 539,234.85
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Solution
The fourth proportional to 947,124.93, 1,307,079.06 and 539,234.85 is: 744,170.66
Step by Step Solution
- Step 1: Write the proportion equation
947,124.93 : 1,307,079.06 = 539,234.85 : x - Step 2: Convert to fraction form
947,124.93/1,307,079.06 = 539,234.85/x - Step 3: Cross multiply
947,124.93x = 1,307,079.06 × 539,234.85 - Step 4: Simplify right side
947,124.93x = 704,822,580,857.24 - Step 5: Solve for x
x = 704,822,580,857.24/947,124.93 - Step 6: Final answer
x = 744,170.66
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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.