Finding the Fourth Proportional to 430,860.13, 646,290.36 and 430,237.52
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Solution
The fourth proportional to 430,860.13, 646,290.36 and 430,237.52 is: 645,356.44
Step by Step Solution
- Step 1: Write the proportion equation
430,860.13 : 646,290.36 = 430,237.52 : x - Step 2: Convert to fraction form
430,860.13/646,290.36 = 430,237.52/x - Step 3: Cross multiply
430,860.13x = 646,290.36 × 430,237.52 - Step 4: Simplify right side
430,860.13x = 278,058,361,686.31 - Step 5: Solve for x
x = 278,058,361,686.31/430,860.13 - Step 6: Final answer
x = 645,356.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.