Finding the Fourth Proportional to 936,641.34, 1,292,568.84 and 506,921.36
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Solution
The fourth proportional to 936,641.34, 1,292,568.84 and 506,921.36 is: 699,553.52
Step by Step Solution
- Step 1: Write the proportion equation
936,641.34 : 1,292,568.84 = 506,921.36 : x - Step 2: Convert to fraction form
936,641.34/1,292,568.84 = 506,921.36/x - Step 3: Cross multiply
936,641.34x = 1,292,568.84 × 506,921.36 - Step 4: Simplify right side
936,641.34x = 655,230,747,803.58 - Step 5: Solve for x
x = 655,230,747,803.58/936,641.34 - Step 6: Final answer
x = 699,553.52
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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.