Finding the Fourth Proportional to 767,265.16, 1,058,801.65 and 423,115.62
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Solution
The fourth proportional to 767,265.16, 1,058,801.65 and 423,115.62 is: 583,886.18
Step by Step Solution
- Step 1: Write the proportion equation
767,265.16 : 1,058,801.65 = 423,115.62 : x - Step 2: Convert to fraction form
767,265.16/1,058,801.65 = 423,115.62/x - Step 3: Cross multiply
767,265.16x = 1,058,801.65 × 423,115.62 - Step 4: Simplify right side
767,265.16x = 447,995,521,692.13 - Step 5: Solve for x
x = 447,995,521,692.13/767,265.16 - Step 6: Final answer
x = 583,886.18
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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.