Finding the Fourth Proportional to 879,833.33, 1,214,268.74 and 497,884.71
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Solution
The fourth proportional to 879,833.33, 1,214,268.74 and 497,884.71 is: 687,136.78
Step by Step Solution
- Step 1: Write the proportion equation
879,833.33 : 1,214,268.74 = 497,884.71 : x - Step 2: Convert to fraction form
879,833.33/1,214,268.74 = 497,884.71/x - Step 3: Cross multiply
879,833.33x = 1,214,268.74 × 497,884.71 - Step 4: Simplify right side
879,833.33x = 604,565,839,476.97 - Step 5: Solve for x
x = 604,565,839,476.97/879,833.33 - Step 6: Final answer
x = 687,136.78
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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.