Finding the Fourth Proportional to 766,911.36, 1,058,316.48 and 427,370.88
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Solution
The fourth proportional to 766,911.36, 1,058,316.48 and 427,370.88 is: 589,760.00
Step by Step Solution
- Step 1: Write the proportion equation
766,911.36 : 1,058,316.48 = 427,370.88 : x - Step 2: Convert to fraction form
766,911.36/1,058,316.48 = 427,370.88/x - Step 3: Cross multiply
766,911.36x = 1,058,316.48 × 427,370.88 - Step 4: Simplify right side
766,911.36x = 452,293,645,376.10 - Step 5: Solve for x
x = 452,293,645,376.10/766,911.36 - Step 6: Final answer
x = 589,760.00
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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.