Finding the Fourth Proportional to 947,155.08, 1,307,120.70 and 539,265
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Solution
The fourth proportional to 947,155.08, 1,307,120.70 and 539,265 is: 744,212.28
Step by Step Solution
- Step 1: Write the proportion equation
947,155.08 : 1,307,120.70 = 539,265 : x - Step 2: Convert to fraction form
947,155.08/1,307,120.70 = 539,265/x - Step 3: Cross multiply
947,155.08x = 1,307,120.70 × 539,265 - Step 4: Simplify right side
947,155.08x = 704,884,444,285.50 - Step 5: Solve for x
x = 704,884,444,285.50/947,155.08 - Step 6: Final answer
x = 744,212.28
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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.