Finding the Fourth Proportional to 719,873.22, 993,617.19 and 413,983.02
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Solution
The fourth proportional to 719,873.22, 993,617.19 and 413,983.02 is: 571,407.07
Step by Step Solution
- Step 1: Write the proportion equation
719,873.22 : 993,617.19 = 413,983.02 : x - Step 2: Convert to fraction form
719,873.22/993,617.19 = 413,983.02/x - Step 3: Cross multiply
719,873.22x = 993,617.19 × 413,983.02 - Step 4: Simplify right side
719,873.22x = 411,340,645,040.11 - Step 5: Solve for x
x = 411,340,645,040.11/719,873.22 - Step 6: Final answer
x = 571,407.07
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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.