Finding the Fourth Proportional to 692,511.01, 1,038,714.66 and 243,235.84
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Solution
The fourth proportional to 692,511.01, 1,038,714.66 and 243,235.84 is: 364,835.55
Step by Step Solution
- Step 1: Write the proportion equation
692,511.01 : 1,038,714.66 = 243,235.84 : x - Step 2: Convert to fraction form
692,511.01/1,038,714.66 = 243,235.84/x - Step 3: Cross multiply
692,511.01x = 1,038,714.66 × 243,235.84 - Step 4: Simplify right side
692,511.01x = 252,652,632,845.41 - Step 5: Solve for x
x = 252,652,632,845.41/692,511.01 - Step 6: Final answer
x = 364,835.55
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1.5x scale
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.