Finding the Fourth Proportional to 766,901.48, 1,058,331.48 and 422,750.68
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Solution
The fourth proportional to 766,901.48, 1,058,331.48 and 422,750.68 is: 583,400.04
Step by Step Solution
- Step 1: Write the proportion equation
766,901.48 : 1,058,331.48 = 422,750.68 : x - Step 2: Convert to fraction form
766,901.48/1,058,331.48 = 422,750.68/x - Step 3: Cross multiply
766,901.48x = 1,058,331.48 × 422,750.68 - Step 4: Simplify right side
766,901.48x = 447,410,352,835.41 - Step 5: Solve for x
x = 447,410,352,835.41/766,901.48 - Step 6: Final answer
x = 583,400.04
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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.