Finding the Fourth Proportional to 719,368.05, 1,078,655.31 and 292,794.38
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Solution
The fourth proportional to 719,368.05, 1,078,655.31 and 292,794.38 is: 439,030.07
Step by Step Solution
- Step 1: Write the proportion equation
719,368.05 : 1,078,655.31 = 292,794.38 : x - Step 2: Convert to fraction form
719,368.05/1,078,655.31 = 292,794.38/x - Step 3: Cross multiply
719,368.05x = 1,078,655.31 × 292,794.38 - Step 4: Simplify right side
719,368.05x = 315,824,207,331.88 - Step 5: Solve for x
x = 315,824,207,331.88/719,368.05 - Step 6: Final answer
x = 439,030.07
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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.