Finding the Fourth Proportional to 958,810.08, 1,437,372.64 and 390,668.92
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Solution
The fourth proportional to 958,810.08, 1,437,372.64 and 390,668.92 is: 585,660.11
Step by Step Solution
- Step 1: Write the proportion equation
958,810.08 : 1,437,372.64 = 390,668.92 : x - Step 2: Convert to fraction form
958,810.08/1,437,372.64 = 390,668.92/x - Step 3: Cross multiply
958,810.08x = 1,437,372.64 × 390,668.92 - Step 4: Simplify right side
958,810.08x = 561,536,816,906.35 - Step 5: Solve for x
x = 561,536,816,906.35/958,810.08 - Step 6: Final answer
x = 585,660.11
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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.