Finding the Fourth Proportional to 982,278.16, 1,355,422.62 and 619,565.02
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Solution
The fourth proportional to 982,278.16, 1,355,422.62 and 619,565.02 is: 854,923.26
Step by Step Solution
- Step 1: Write the proportion equation
982,278.16 : 1,355,422.62 = 619,565.02 : x - Step 2: Convert to fraction form
982,278.16/1,355,422.62 = 619,565.02/x - Step 3: Cross multiply
982,278.16x = 1,355,422.62 × 619,565.02 - Step 4: Simplify right side
982,278.16x = 839,772,442,668.75 - Step 5: Solve for x
x = 839,772,442,668.75/982,278.16 - Step 6: Final answer
x = 854,923.26
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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.