Finding the Fourth Proportional to 968,431.87, 1,336,446.17 and 532,854.91
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Solution
The fourth proportional to 968,431.87, 1,336,446.17 and 532,854.91 is: 735,345.38
Step by Step Solution
- Step 1: Write the proportion equation
968,431.87 : 1,336,446.17 = 532,854.91 : x - Step 2: Convert to fraction form
968,431.87/1,336,446.17 = 532,854.91/x - Step 3: Cross multiply
968,431.87x = 1,336,446.17 × 532,854.91 - Step 4: Simplify right side
968,431.87x = 712,131,903,635.20 - Step 5: Solve for x
x = 712,131,903,635.20/968,431.87 - Step 6: Final answer
x = 735,345.38
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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.