Finding the Fourth Proportional to 690,614.08, 1,035,574.08 and 402,518.44
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Solution
The fourth proportional to 690,614.08, 1,035,574.08 and 402,518.44 is: 603,575.39
Step by Step Solution
- Step 1: Write the proportion equation
690,614.08 : 1,035,574.08 = 402,518.44 : x - Step 2: Convert to fraction form
690,614.08/1,035,574.08 = 402,518.44/x - Step 3: Cross multiply
690,614.08x = 1,035,574.08 × 402,518.44 - Step 4: Simplify right side
690,614.08x = 416,837,663,186.04 - Step 5: Solve for x
x = 416,837,663,186.04/690,614.08 - Step 6: Final answer
x = 603,575.39
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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.