Finding the Fourth Proportional to 767,268.42, 1,058,806.14 and 423,118.87
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Solution
The fourth proportional to 767,268.42, 1,058,806.14 and 423,118.87 is: 583,890.65
Step by Step Solution
- Step 1: Write the proportion equation
767,268.42 : 1,058,806.14 = 423,118.87 : x - Step 2: Convert to fraction form
767,268.42/1,058,806.14 = 423,118.87/x - Step 3: Cross multiply
767,268.42x = 1,058,806.14 × 423,118.87 - Step 4: Simplify right side
767,268.42x = 448,000,857,505.86 - Step 5: Solve for x
x = 448,000,857,505.86/767,268.42 - Step 6: Final answer
x = 583,890.65
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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.