Finding the Fourth Proportional to 709,717.68, 976,924.40 and 618,913.44
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Solution
The fourth proportional to 709,717.68, 976,924.40 and 618,913.44 is: 851,932.62
Step by Step Solution
- Step 1: Write the proportion equation
709,717.68 : 976,924.40 = 618,913.44 : x - Step 2: Convert to fraction form
709,717.68/976,924.40 = 618,913.44/x - Step 3: Cross multiply
709,717.68x = 976,924.40 × 618,913.44 - Step 4: Simplify right side
709,717.68x = 604,631,641,023.94 - Step 5: Solve for x
x = 604,631,641,023.94/709,717.68 - Step 6: Final answer
x = 851,932.62
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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.