Finding the Fourth Proportional to 776,178.81, 1,071,125.12 and 436,647.06
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Solution
The fourth proportional to 776,178.81, 1,071,125.12 and 436,647.06 is: 602,572.02
Step by Step Solution
- Step 1: Write the proportion equation
776,178.81 : 1,071,125.12 = 436,647.06 : x - Step 2: Convert to fraction form
776,178.81/1,071,125.12 = 436,647.06/x - Step 3: Cross multiply
776,178.81x = 1,071,125.12 × 436,647.06 - Step 4: Simplify right side
776,178.81x = 467,703,631,615.05 - Step 5: Solve for x
x = 467,703,631,615.05/776,178.81 - Step 6: Final answer
x = 602,572.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.