Finding the Fourth Proportional to 819,318.24, 1,130,726.52 and 451,867.26
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Solution
The fourth proportional to 819,318.24, 1,130,726.52 and 451,867.26 is: 623,613.96
Step by Step Solution
- Step 1: Write the proportion equation
819,318.24 : 1,130,726.52 = 451,867.26 : x - Step 2: Convert to fraction form
819,318.24/1,130,726.52 = 451,867.26/x - Step 3: Cross multiply
819,318.24x = 1,130,726.52 × 451,867.26 - Step 4: Simplify right side
819,318.24x = 510,938,294,401.74 - Step 5: Solve for x
x = 510,938,294,401.74/819,318.24 - Step 6: Final answer
x = 623,613.96
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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.