Finding the Fourth Proportional to 936,451.08, 1,292,300.46 and 506,731.05
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Solution
The fourth proportional to 936,451.08, 1,292,300.46 and 506,731.05 is: 699,287.75
Step by Step Solution
- Step 1: Write the proportion equation
936,451.08 : 1,292,300.46 = 506,731.05 : x - Step 2: Convert to fraction form
936,451.08/1,292,300.46 = 506,731.05/x - Step 3: Cross multiply
936,451.08x = 1,292,300.46 × 506,731.05 - Step 4: Simplify right side
936,451.08x = 654,848,769,011.28 - Step 5: Solve for x
x = 654,848,769,011.28/936,451.08 - Step 6: Final answer
x = 699,287.75
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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.