Finding the Fourth Proportional to 936,605.19, 1,292,516.73 and 506,885.70
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Solution
The fourth proportional to 936,605.19, 1,292,516.73 and 506,885.70 is: 699,503.11
Step by Step Solution
- Step 1: Write the proportion equation
936,605.19 : 1,292,516.73 = 506,885.70 : x - Step 2: Convert to fraction form
936,605.19/1,292,516.73 = 506,885.70/x - Step 3: Cross multiply
936,605.19x = 1,292,516.73 × 506,885.70 - Step 4: Simplify right side
936,605.19x = 655,158,247,447.76 - Step 5: Solve for x
x = 655,158,247,447.76/936,605.19 - Step 6: Final answer
x = 699,503.11
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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.