Finding the Fourth Proportional to 863,575.48, 1,191,749.70 and 476,435.08
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Solution
The fourth proportional to 863,575.48, 1,191,749.70 and 476,435.08 is: 657,488.98
Step by Step Solution
- Step 1: Write the proportion equation
863,575.48 : 1,191,749.70 = 476,435.08 : x - Step 2: Convert to fraction form
863,575.48/1,191,749.70 = 476,435.08/x - Step 3: Cross multiply
863,575.48x = 1,191,749.70 × 476,435.08 - Step 4: Simplify right side
863,575.48x = 567,791,363,659.48 - Step 5: Solve for x
x = 567,791,363,659.48/863,575.48 - Step 6: Final answer
x = 657,488.98
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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.