Finding the Fourth Proportional to 936,344.84, 1,292,146.68 and 506,615.54
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Solution
The fourth proportional to 936,344.84, 1,292,146.68 and 506,615.54 is: 699,124.47
Step by Step Solution
- Step 1: Write the proportion equation
936,344.84 : 1,292,146.68 = 506,615.54 : x - Step 2: Convert to fraction form
936,344.84/1,292,146.68 = 506,615.54/x - Step 3: Cross multiply
936,344.84x = 1,292,146.68 × 506,615.54 - Step 4: Simplify right side
936,344.84x = 654,621,588,047.41 - Step 5: Solve for x
x = 654,621,588,047.41/936,344.84 - Step 6: Final answer
x = 699,124.47
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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.