Finding the Fourth Proportional to 870,980.79, 1,305,962.67 and 337,878.87
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Solution
The fourth proportional to 870,980.79, 1,305,962.67 and 337,878.87 is: 506,621.04
Step by Step Solution
- Step 1: Write the proportion equation
870,980.79 : 1,305,962.67 = 337,878.87 : x - Step 2: Convert to fraction form
870,980.79/1,305,962.67 = 337,878.87/x - Step 3: Cross multiply
870,980.79x = 1,305,962.67 × 337,878.87 - Step 4: Simplify right side
870,980.79x = 441,257,191,201.78 - Step 5: Solve for x
x = 441,257,191,201.78/870,980.79 - Step 6: Final answer
x = 506,621.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.