Finding the Fourth Proportional to 936,511.85, 1,292,386.35 and 506,791.98
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Solution
The fourth proportional to 936,511.85, 1,292,386.35 and 506,791.98 is: 699,372.93
Step by Step Solution
- Step 1: Write the proportion equation
936,511.85 : 1,292,386.35 = 506,791.98 : x - Step 2: Convert to fraction form
936,511.85/1,292,386.35 = 506,791.98/x - Step 3: Cross multiply
936,511.85x = 1,292,386.35 × 506,791.98 - Step 4: Simplify right side
936,511.85x = 654,971,035,277.49 - Step 5: Solve for x
x = 654,971,035,277.49/936,511.85 - Step 6: Final answer
x = 699,372.93
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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.