Finding the Fourth Proportional to 948,677.98, 1,309,177.34 and 518,958.11
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Solution
The fourth proportional to 948,677.98, 1,309,177.34 and 518,958.11 is: 716,163.13
Step by Step Solution
- Step 1: Write the proportion equation
948,677.98 : 1,309,177.34 = 518,958.11 : x - Step 2: Convert to fraction form
948,677.98/1,309,177.34 = 518,958.11/x - Step 3: Cross multiply
948,677.98x = 1,309,177.34 × 518,958.11 - Step 4: Simplify right side
948,677.98x = 679,408,195,182.46 - Step 5: Solve for x
x = 679,408,195,182.46/948,677.98 - Step 6: Final answer
x = 716,163.13
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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.