Finding the Fourth Proportional to 518,606.15, 715,811.99 and 337,814.15
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Solution
The fourth proportional to 518,606.15, 715,811.99 and 337,814.15 is: 466,271.79
Step by Step Solution
- Step 1: Write the proportion equation
518,606.15 : 715,811.99 = 337,814.15 : x - Step 2: Convert to fraction form
518,606.15/715,811.99 = 337,814.15/x - Step 3: Cross multiply
518,606.15x = 715,811.99 × 337,814.15 - Step 4: Simplify right side
518,606.15x = 241,811,413,693.53 - Step 5: Solve for x
x = 241,811,413,693.53/518,606.15 - Step 6: Final answer
x = 466,271.79
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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.