Finding the Fourth Proportional to 947,269.12, 1,307,192.52 and 517,564
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Solution
The fourth proportional to 947,269.12, 1,307,192.52 and 517,564 is: 714,217.08
Step by Step Solution
- Step 1: Write the proportion equation
947,269.12 : 1,307,192.52 = 517,564 : x - Step 2: Convert to fraction form
947,269.12/1,307,192.52 = 517,564/x - Step 3: Cross multiply
947,269.12x = 1,307,192.52 × 517,564 - Step 4: Simplify right side
947,269.12x = 676,555,789,421.28 - Step 5: Solve for x
x = 676,555,789,421.28/947,269.12 - Step 6: Final answer
x = 714,217.08
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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.