Finding the Fourth Proportional to 767,268.55, 1,058,806.32 and 423,118.99
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Solution
The fourth proportional to 767,268.55, 1,058,806.32 and 423,118.99 is: 583,890.82
Step by Step Solution
- Step 1: Write the proportion equation
767,268.55 : 1,058,806.32 = 423,118.99 : x - Step 2: Convert to fraction form
767,268.55/1,058,806.32 = 423,118.99/x - Step 3: Cross multiply
767,268.55x = 1,058,806.32 × 423,118.99 - Step 4: Simplify right side
767,268.55x = 448,001,060,460.83 - Step 5: Solve for x
x = 448,001,060,460.83/767,268.55 - Step 6: Final answer
x = 583,890.82
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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.