Finding the Fourth Proportional to 518,564.13, 715,618.49 and 292,217.73
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Solution
The fourth proportional to 518,564.13, 715,618.49 and 292,217.73 is: 403,260.46
Step by Step Solution
- Step 1: Write the proportion equation
518,564.13 : 715,618.49 = 292,217.73 : x - Step 2: Convert to fraction form
518,564.13/715,618.49 = 292,217.73/x - Step 3: Cross multiply
518,564.13x = 715,618.49 × 292,217.73 - Step 4: Simplify right side
518,564.13x = 209,116,410,693.83 - Step 5: Solve for x
x = 209,116,410,693.83/518,564.13 - Step 6: Final answer
x = 403,260.46
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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.