Finding the Fourth Proportional to 861,399.62, 1,289,841.99 and 607,304.39
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Solution
The fourth proportional to 861,399.62, 1,289,841.99 and 607,304.39 is: 909,365.04
Step by Step Solution
- Step 1: Write the proportion equation
861,399.62 : 1,289,841.99 = 607,304.39 : x - Step 2: Convert to fraction form
861,399.62/1,289,841.99 = 607,304.39/x - Step 3: Cross multiply
861,399.62x = 1,289,841.99 × 607,304.39 - Step 4: Simplify right side
861,399.62x = 783,326,696,484.13 - Step 5: Solve for x
x = 783,326,696,484.13/861,399.62 - Step 6: Final answer
x = 909,365.04
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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.