Finding the Fourth Proportional to 996,967.70, 1,495,451.55 and 577,063.70
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Solution
The fourth proportional to 996,967.70, 1,495,451.55 and 577,063.70 is: 865,595.55
Step by Step Solution
- Step 1: Write the proportion equation
996,967.70 : 1,495,451.55 = 577,063.70 : x - Step 2: Convert to fraction form
996,967.70/1,495,451.55 = 577,063.70/x - Step 3: Cross multiply
996,967.70x = 1,495,451.55 × 577,063.70 - Step 4: Simplify right side
996,967.70x = 862,970,804,613.74 - Step 5: Solve for x
x = 862,970,804,613.74/996,967.70 - Step 6: Final answer
x = 865,595.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.