Finding the Fourth Proportional to 936,374.10, 1,292,186.70 and 506,644.80
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Solution
The fourth proportional to 936,374.10, 1,292,186.70 and 506,644.80 is: 699,164.65
Step by Step Solution
- Step 1: Write the proportion equation
936,374.10 : 1,292,186.70 = 506,644.80 : x - Step 2: Convert to fraction form
936,374.10/1,292,186.70 = 506,644.80/x - Step 3: Cross multiply
936,374.10x = 1,292,186.70 × 506,644.80 - Step 4: Simplify right side
936,374.10x = 654,679,672,184.16 - Step 5: Solve for x
x = 654,679,672,184.16/936,374.10 - Step 6: Final answer
x = 699,164.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.