Finding the Fourth Proportional to 879,598.18, 1,213,837.30 and 497,624.96
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Solution
The fourth proportional to 879,598.18, 1,213,837.30 and 497,624.96 is: 686,717.81
Step by Step Solution
- Step 1: Write the proportion equation
879,598.18 : 1,213,837.30 = 497,624.96 : x - Step 2: Convert to fraction form
879,598.18/1,213,837.30 = 497,624.96/x - Step 3: Cross multiply
879,598.18x = 1,213,837.30 × 497,624.96 - Step 4: Simplify right side
879,598.18x = 604,035,737,859.01 - Step 5: Solve for x
x = 604,035,737,859.01/879,598.18 - Step 6: Final answer
x = 686,717.81
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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.