Finding the Fourth Proportional to 487,709.78, 673,269.60 and 366,897.08
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Solution
The fourth proportional to 487,709.78, 673,269.60 and 366,897.08 is: 506,491.07
Step by Step Solution
- Step 1: Write the proportion equation
487,709.78 : 673,269.60 = 366,897.08 : x - Step 2: Convert to fraction form
487,709.78/673,269.60 = 366,897.08/x - Step 3: Cross multiply
487,709.78x = 673,269.60 × 366,897.08 - Step 4: Simplify right side
487,709.78x = 247,020,650,292.77 - Step 5: Solve for x
x = 247,020,650,292.77/487,709.78 - Step 6: Final answer
x = 506,491.07
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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.